# What Is the Science behind Textured Hair’s Unique Structure? ❉ Question

**Published:** 2025-06-09
**Author:** Roothea
**Categories:** Question

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![This image captures the essence of beauty, showcasing a fusion of cultural hairstyle trends. Silver clothing choice adds a futuristic aesthetic, highlighting both the strength and individuality inherent in Black hair traditions](/wp-content/uploads/2025/05/monochrome-portrait-of-a-young-woman-with-intricate-coiled-hairstyle-and-bold.jpg)

## Roots

The very strands that crown us carry stories etched within their coils and curves, tales of survival, beauty, and unwavering spirit. For those of us with textured hair, this connection runs deeper than the surface; it is a profound echo from ancestral lands, a living archive of a heritage shaped by sun, soil, and resilience. To truly grasp the science behind textured hair’s unique structure, one must first listen to these echoes, understanding that its biology is inextricably linked to generations of lived experience, traditional knowledge, and the enduring strength of communities who have celebrated it for millennia. 

![The striking black and white portrait embodies a celebration of natural hair texture and ancestral pride, emphasizing the inherent beauty and strength found in the distinctive coiffure that connects to heritage and offers a powerful statement of self-acceptance.](/wp-content/uploads/2025/05/elegant-portrait-of-a-woman-with-short-textured-hair-in-black-and-white.jpg)

## What Does Textured Hair’s Anatomy Reveal about Ancestral Adaptation?

Hair, at its fundamental level, is a protein filament primarily composed of keratin, a fibrous protein. Yet, the way these keratin proteins arrange themselves, the shape of the [hair follicle](/area/hair-follicle/) from which they emerge, and the density of [disulfide bonds](/area/disulfide-bonds/) within each strand fundamentally dictate the hair’s eventual curl pattern and overall texture. For textured hair, particularly those with a tight curl or coily pattern, the hair follicle itself is often elliptical or flattened in shape, rather than round. This distinct asymmetry forces the [hair shaft](/area/hair-shaft/) to grow in a curvilinear, spiraling path, causing the characteristic coils and kinks that define its beauty.

Consider the historical context: evolutionary biologists propose that afro-textured hair, with its tight coils, developed as an adaptation to intense sunlight and heat in ancient Africa. This unique structure, with its dense appearance, would have provided insulation, protecting the scalp from harsh UV radiation and helping to retain moisture in arid environments. This biological design speaks volumes about the ingenuity of human adaptation across generations (Gaines et al. 2023). The way the hair emerges almost parallel to the scalp, swirling on itself, not only offers [sun protection](/area/sun-protection/) but also allows for greater air circulation, a natural cooling system for the scalp.

> The genetic blueprint of textured hair, with its distinct follicle shape and keratin arrangement, serves as a living testament to ancestral adaptations for warmth and sun protection in diverse climates.

![The refined image captures a sense of empowerment through its minimalist composition, celebrating the innate beauty and expressive potential inherent in natural hair formations. The portrait embodies a connection to ancestral heritage while embracing a distinctly modern aesthetic of self-assured styling and textured celebration](/wp-content/uploads/2025/05/striking-portrait-of-a-woman-showcasing-short-textured-hair-style.jpg)

## How Have Classification Systems Overlooked Heritage?

The language we use to describe [textured hair](/area/textured-hair/) often carries historical baggage, sometimes born from systems that have failed to fully appreciate its multifaceted nature. Historically, terms like “woolly” or “kinky” were used, sometimes with derogatory undertones. In 1997, hairstylist Andre Walker introduced a numerical grading system, classifying [kinky hair](/area/kinky-hair/) as ‘type 4’ with subcategories (A, B, C) indicating the degree of coil variation. While intending to categorize, such systems, however, often flatten the rich spectrum of textured hair into a narrow, numerically defined framework.

They can inadvertently diminish the fluidity and individual variation inherent within each hair type. This classification, while providing a common lexicon for stylists, can sometimes overshadow the deeper, more holistic understanding of hair that indigenous communities always possessed, one that saw hair not just as a physical trait but as a deeply spiritual and social marker. The wisdom of our ancestors did not require a numbered chart; they understood hair by its vitality, its responsiveness to natural elements, and its connection to identity.

The essential lexicon of textured hair extends far beyond simple numbering systems. It embraces terms steeped in tradition, speaking of the hair’s true nature and how it interacted with life. Consider these classifications, rooted in ancestral observation:

- **Melanin-Rich Strands** ❉ Acknowledging the inherent strength and color diversity found in Black and mixed-race hair.

- **Coil Resilience** ❉ A term honoring the inherent spring and durability of tightly curled patterns, a testament to their enduring nature even under duress.

- **Hydro-Philic Hair** ❉ Recognizing textured hair’s natural affinity for water, a crucial aspect of its care that ancestral practices understood intuitively.
These terms ground our understanding of hair science within a framework that honors its heritage, rather than stripping it of its historical context. The science of hair growth cycles, too, finds resonance in historical accounts. While modern science details anagen (growth), catagen (transition), and telogen (resting) phases, [ancestral wisdom](/area/ancestral-wisdom/) understood that certain practices, nutrition, and environmental factors influenced hair’s vitality. The health of the scalp, nourished by traditional herbs and oils, was always understood as paramount to hair health, aligning with contemporary research that highlights the follicular unit’s role in hair cycles. 

![Bathed in sunlight, she exudes joy and confidence a testament to the beauty of afro texture. Her authentic smile paired with the wild freedom of her coils evokes a celebration of natural black hair heritage and embrace self love through ancestral genetic heritage and the freedom of expression](/wp-content/uploads/2025/05/woman-with-voluminous-afro-textured-coils-smiling-in-sunlight-black-and-white.jpg)

![The monochromatic image conveys a sense of timeless ritual, highlighting the intentionality behind crafting herbal hair treatments rooted in cultural heritage, a deeply connected practice for textured hair health and reverence for ancestral hair care knowledge and holistic self care practices.](/wp-content/uploads/2025/05/hands-preparing-herbal-hair-treatment-infusion-black-and-white-photography.jpg)

## Ritual

The very act of shaping textured hair, from ancient braiding techniques to contemporary protective styles, embodies a profound interweaving of art and science, a testament to centuries of tradition guiding innovation. The knowledge embedded in these styling practices, honed over generations, reflects an intuitive understanding of the hair’s unique structure long before modern scientific instruments could reveal its secrets. These rituals were not mere aesthetic choices; they were strategies of survival, expressions of community, and declarations of identity, all intricately linked to the biological realities of textured hair. 

![The monochrome portrait highlights the person](/wp-content/uploads/2025/05/striking-monochrome-portrait-of-individual-with-sculpted-textured-afro-hair.jpg)

## How Did Ancestral Styling Inform Modern Protective Approaches?

Protective styling for textured hair traces its lineage directly back to ancient African societies, where elaborate cornrows, intricate threading, and various braiding techniques were not just forms of adornment, but served practical and symbolic purposes. These styles protected the hair from environmental elements, minimized breakage, and promoted length retention. The science behind these ancestral methods is now better understood: by minimizing manipulation and keeping hair tucked away, these styles reduce [mechanical stress](/area/mechanical-stress/) on the hair shaft, particularly at the fragile points where coils bend. This protective quality was crucial in environments where hair could easily dry out or suffer damage from sun and dust.

For instance, archaeological findings and oral traditions speak of cornrows dating back as far as 3000 BC in parts of Africa, used not only for beauty but also to signify social status, age, or even to map escape routes during times of enslavement. The art of sectioning hair precisely and braiding it tightly to the scalp, a practice perfected over millennia, effectively distributes tension and safeguards the hair’s vulnerable cuticle layer.

> Ancient African braiding and coiling methods, passed down through generations, served as sophisticated protective styling, intuitively minimizing mechanical stress on the hair’s unique structure.
The transformation of hair through these techniques speaks volumes. Consider the **Amashunzu** styles of the Zulu tribe in Southern Africa or the complex braided crowns of the Mangbetu people of Congo, which were not only markers of wealth and status but also methods for managing and protecting the hair. These traditions, many of which involve minimal heat and rely on natural tension and skilled hands, underscore a deep, inherent respect for the hair’s natural state and its preservation. They are a living syllabus of how to care for textured hair, revealing methods that minimize external damage while maintaining structural integrity. 

![This image offers an intimate view of black beauty, heritage, and strength, enhanced by meticulous protective braiding. The study in light and shadow elevates it beyond a mere portrait it is a celebration of ancestral hair care traditions, resilience and self-expression through natural hair styling](/wp-content/uploads/2025/05/elegant-portrait-of-young-black-woman-with-protective-braids-and-poise.jpg)

## What Tools Accompanied Traditional Styling Journeys?

The historical toolkit for textured hair styling was ingeniously crafted from nature’s bounty, reflecting an ancestral reverence for the earth’s provisions. Tools were not solely functional; they were often symbolic, embodying community and connection. Combs carved from wood or bone, for instance, were designed with wider teeth to navigate the natural curves of textured hair, minimizing breakage. The careful construction of these tools acknowledges the hair’s propensity for tangles, which results from the helical shape of the strands overlapping and intertwining.

Consider the use of plant fibers for extensions or the embellishment of styles with cowrie shells and beads. These elements were often more than decorative; they were markers of social standing, age, or readiness for certain life stages (Assendelft, n.d.). The tools and techniques were passed down through generations, often during communal styling sessions that reinforced social bonds and shared cultural identity. This historical perspective highlights that the effectiveness of a tool for textured hair is deeply tied to its ability to work with the hair’s inherent structure, rather than against it. Even the act of finger detangling, a method that aligns with the hair’s natural elasticity and avoids excessive pulling, has roots in historical practices where gentle manipulation was paramount.

![The image portrays a woman of strength and sophistication, highlighted by the striking contrast in black and white, and her smooth, closely cropped textured hair. It speaks to ancestral pride and a modern aesthetic, reflecting both heritage and a celebration of individuality](/wp-content/uploads/2025/05/striking-portrait-of-a-woman-with-short-textured-hair-black-and-white.jpg)

![The monochrome artistry captures the essence of individuality, as graphic lines accentuate the short, dark, coiled texture of hair, presenting a modern style deeply rooted in cultural expression. The portrait echoes strength, identity, and the intentionality behind self-representation through distinct hair styling](/wp-content/uploads/2025/05/monochrome-portrait-of-a-person-with-coiled-textured-hair-and-graphic-lines.jpg)

## Relay

The sustained vibrancy of textured hair, its enduring health across generations, is a testament to care regimens deeply rooted in ancestral wisdom. This holistic approach, passed down through the ages, speaks to a profound understanding of the body as an interconnected system, where external practices for hair are intrinsically linked to internal wellness and a reverence for the natural world. The science behind textured hair’s structure indeed informs modern holistic care, but the true brilliance lies in how ancient traditions instinctively aligned with these principles, often validating them centuries later. 

![The image elegantly portrays the natural formation of textured hair enhanced by water droplets, emphasizing the unique helix patterns reflecting themes of identity and ancestral connection. This evokes considerations of wellness and traditions through the celebration of natural textures and coiled forms](/wp-content/uploads/2025/05/monochrome-portrait-of-a-person-with-coiled-hair-adorned-with-water.jpg)

## How Do Ancient Rituals Inform Modern Holistic Care?

Building personalized textured hair regimens today often draws direct inspiration from ancestral practices, which understood [hair health](/area/hair-health/) as part of a larger wellness philosophy. Before the advent of synthetic concoctions, communities relied on the earth’s pharmacy ❉ natural ingredients, gentle manipulation, and community rituals. For instance, the traditional practice of hair oiling, prevalent across African and South Asian cultures for centuries, was not merely a cosmetic act. Its efficacy, now recognized by contemporary science, lies in the ability of certain oils to penetrate the hair shaft, reducing protein loss and providing deep conditioning, particularly when applied as a pre-wash treatment (Rele & Mohile, 2017).

Coconut oil, for instance, with its unique medium-chain fatty acids, notably lauric acid, possesses a molecular structure that allows it to absorb deeply into the hair, offering superior [moisture retention](/area/moisture-retention/) and antibacterial properties, which were intuitively understood by our forebears. This ancestral understanding of topical treatments mirrors modern scientific inquiry into ingredient properties. The very act of applying these oils often involved scalp massage, a practice known to stimulate blood circulation and promote follicle health, a wisdom passed down without the need for microscopes.

> The age-old wisdom of ancestral hair oiling, with its use of deeply penetrating natural lipids, intuitively mirrored modern scientific understanding of protein loss prevention and moisture retention in textured hair.
The nighttime sanctuary, specifically the wisdom of bonnet use and protective wraps, holds deep historical roots. In many African cultures, covering the hair at night was a common practice, safeguarding elaborate styles and preserving hair’s moisture. This tradition directly addresses the scientific reality of textured hair’s vulnerability to friction and dryness. The unique coil shape of textured hair means fewer points of contact with other strands, allowing for greater moisture evaporation compared to straight hair.

When hair rubs against rough surfaces like cotton pillowcases, it creates friction that can lift the cuticle, leading to frizz, breakage, and moisture loss. The simple act of wrapping hair in a smooth fabric, like silk or satin, or enclosing it within a bonnet, creates a protective barrier, reducing mechanical damage and retaining the hair’s precious hydration. This ancestral practice is a prime example of intuitive scientific application, anticipating the very environmental stressors that modern trichology identifies as detrimental to textured hair health.

![In this monochromatic exploration, the sitter’s coiled textured style, created with a rod set, evokes elegance and a celebration of natural Black hair traditions strategic lighting emphasizes the hair](/wp-content/uploads/2025/05/monochromatic-portrait-of-elegant-woman-showcasing-coiled-textured-hair-design.jpg)

## What Traditional Ingredients Bolster Textured Hair Health?

The deep dives into ingredients for textured hair needs reveal a legacy of botanical knowledge. Ancestral communities meticulously cultivated and utilized a diverse array of plants, roots, and seeds, understanding their therapeutic properties through generations of observation and practice. 

- **Shea Butter** ❉ Widely used across West Africa, this natural butter provides intense moisture and protection from environmental conditions, forming a sealing layer that helps retain the hair’s natural oils and prevent excessive water loss.

- **Chebe Powder** ❉ Originating from Chad, this powder, made from various herbs, is traditionally mixed with oils and applied to hair to seal in moisture, leading to improved length retention and reduced breakage.

- **Rhassoul Clay** ❉ Sourced from the Atlas Mountains of Morocco, this mineral-rich clay was historically used for cleansing and detoxifying the scalp and hair, drawing out impurities while providing moisturizing and remineralizing benefits.

- **Castor Oil** ❉ A staple in many African and Caribbean traditions, particularly Jamaican Black Castor Oil, it is lauded for its ricinoleic acid content, believed to nourish hair follicles and possess antimicrobial qualities beneficial for scalp health.
These traditional ingredients represent a living pharmacy, their benefits aligning with modern [scientific understanding](/area/scientific-understanding/) of emollients, humectants, and anti-inflammatory agents. The problem-solving compendium for textured hair issues, whether addressing dryness, breakage, or scalp irritation, often finds its most effective solutions in these ancestral remedies. For example, issues like scalp dryness and flakiness, which can be particularly pronounced in textured hair due to the scalp’s reduced sebum distribution along the coiled shaft, were historically addressed with soothing herbal rinses and deeply moisturizing oils.

This contrasts with certain modern chemical treatments that have unfortunately led to hair conditions such as traction alopecia or central centrifugal cicatricial alopecia, which are observed disproportionately in individuals of African ancestry, often linked to harsh styling practices or relaxers used to conform to [Eurocentric beauty standards](/area/eurocentric-beauty-standards/) (Adoukè, 2022). The enduring wisdom of [ancestral wellness](/area/ancestral-wellness/) philosophies underscores that true hair health is not merely about external appearance, but a reflection of internal balance and a harmonious relationship with one’s heritage.

![This finely crafted wooden comb, captured in black and white, embodies ancestral wisdom and mindful practices in textured hair care. A celebration of natural beauty through sustainable tools, reflecting cultural commitment to holistic wellness and enhancing spiral hair formations with intention](/wp-content/uploads/2025/05/close-up-black-and-white-image-of-a-wooden-hair-comb.jpg)

![This black and white portrait captures the essence of timeless elegance, highlighting the beauty of her coily bob hairstyle, symbolizing strength and grace. The interplay of light and shadow accentuates her natural features, reflecting both minimalist style and a celebration of natural heritage](/wp-content/uploads/2025/05/elegant-black-and-white-portrait-of-a-woman-with-coiled-bob-hairstyle.jpg)

## Relay

Delving into the profound complexities of textured hair’s unique structure demands a sophisticated understanding that marries scientific rigor with a deep reverence for cultural legacy. The journey to comprehend the intricate helical geometry of a single strand, its internal architecture, and its profound impact on the larger hair mass, requires navigating not just cellular biology, but also the rich historical narratives that have shaped its perception and care. This exploration bypasses surface-level explanations to provide a comprehensive, multi-dimensional view, grounded in both laboratory findings and the collective wisdom of generations. 

![The monochrome portrait explores the beauty of diverse textured hair forms and features of melanin rich complexions. This exploration is a celebration of natural hairstyles that represent cultural heritage, self expression, and serves as a focal point for holistic well being and identity](/wp-content/uploads/2025/05/elegant-black-and-white-portrait-of-woman-with-short-afro-hairstyle.jpg)

## What Is the Molecular Architecture of Coiled Hair?

At the sub-microscopic scale, textured hair presents a fascinating biological marvel. The hair shaft itself is primarily composed of **alpha-keratin**, a protein that forms complex coiled-coil structures. Within the hair’s cortex, these keratin chains assemble into protofilaments, which then combine to form intermediate filaments. These intermediate filaments, in turn, comprise the bulk of the hair’s structural integrity.

The key to the curl lies not only in the elliptical or flattened cross-sectional shape of the follicle, which dictates the hair’s helical growth path, but also in the asymmetrical distribution and bonding of keratin within the cortex itself. Research indicates that the cortex of textured hair may exhibit an uneven distribution of specific keratin types or an asymmetrical proliferation of cells within the inner root sheath, leading to differential growth rates on either side of the hair shaft (Thibaut et al. 2007). This creates inherent tension, causing the strand to coil upon itself.

The disulfide bonds, the robust chemical linkages between sulfur atoms in keratin, play a crucial role. Their arrangement and density along the curved hair shaft provide the internal scaffolding that locks in the curl pattern. A higher prevalence and strategic positioning of these bonds contribute to the distinctive spring and resilience of tightly coiled hair.

This molecular reality has profound implications for hair health and care. The numerous bends and twists inherent to textured hair’s structure mean that the cuticle, the outermost protective layer of overlapping cells, is more frequently lifted or disrupted at these curves. This exposes the inner cortex, making textured hair more susceptible to moisture loss and breakage compared to straight hair, where cuticle scales lie flatter.

This scientific understanding validates the centuries-old ancestral emphasis on moisture retention and protective styling. Communities did not need electron microscopes to observe that tightly [coiled hair](/area/coiled-hair/) required diligent hydration and minimal manipulation to thrive; their practices, honed by observation and shared knowledge, were the empirical evidence of this biophysical reality.

![This black and white study of light and form showcases a sleek, short textured hairstyle, reflecting contemporary elegance. Undulating hair designs enhance the model](/wp-content/uploads/2025/05/sleek-short-hair-presentation-model-in-a-minimalist-setting.jpg)

## How Does Genetics Shape Our Hair’s Heritage?

The blueprint for textured hair’s unique structure is etched deep within our genetic code, a legacy passed down through ancestral lineages. Genetic factors play a leading role in determining hair texture, dictating the shape of the hair follicle and the formation of disulfide bonds within keratin. Studies have identified several genes associated with hair texture, including **EDAR**, which influences hair thickness and density, and **Hr gene**, which impacts [follicle shape](/area/follicle-shape/) and curl patterns. While the exact genetic mechanisms are complex and likely involve multiple genes (polygenic traits), the link between genetics and [hair texture](/area/hair-texture/) is clear.

This biological inheritance connects individuals directly to their ancestral origins, revealing how human populations adapted to diverse climates over millennia. For example, the tightly coiled structure of [afro-textured hair](/area/afro-textured-hair/) is believed to be an evolutionary adaptation to the intense sun and heat of Africa, providing scalp insulation and promoting air circulation (Caffrey, 2023).

This genetic narrative extends beyond mere biology into the realm of cultural identity and historical experience. The concept of “good hair” or “bad hair,” often linked to Eurocentric beauty standards, has a documented history of impacting the self-perception and experiences of Black and mixed-race individuals. During the transatlantic slave trade, the shearing of hair was a deliberate act of stripping identity, and later, hair texture was weaponized to create a caste system. Individuals with hair perceived as closer to European textures often received preferential treatment.

This historical trauma underscores the profound societal impact of hair texture, transforming a biological trait into a symbol of oppression and, conversely, a powerful statement of resistance and pride. The “natural hair movement” of the 1960s and 1970s, which saw the embrace of afros and other natural styles, was a direct rejection of these imposed [beauty standards](/area/beauty-standards/) and a reclaiming of ancestral identity. It highlights how understanding the genetic underpinnings of textured hair allows for a deeper appreciation of both its biological ingenuity and its profound cultural significance through historical struggle and triumph.

![This captivating portrait highlights the artistry of braided protective styles, connecting to ancestral roots and holistic hair care practices. The subject](/wp-content/uploads/2025/05/elegant-woman-portrait-with-braided-protective-hairstyle-and-expressive-gaze.jpg)

![This intimate black and white composition highlights the cultural significance of hair care for Black women, as the woman holds a handcrafted wooden comb, visually linking the tangible object to broader narratives of identity, heritage, self-esteem, and embracing unique hair textures and patterns as a celebration of ancestral strength.](/wp-content/uploads/2025/05/woman-holds-ornate-wooden-comb-textured-hair-care-heritage-portrait-black-and.jpg)

## Reflection

To stand before a mirror and truly see textured hair, with its magnificent spirals and resilient bends, is to gaze upon more than mere strands; it is to behold a living legacy, a testament to generations of wisdom, struggle, and enduring beauty. The science behind textured hair’s unique structure, in its intricate dance of follicle shape, keratin composition, and disulfide bonds, echoes the very ingenuity of human adaptation. Yet, this understanding transcends cellular biology; it is deeply interwoven with the ancestral narratives of care, the communal rituals of styling, and the steadfast declaration of identity that hair has always embodied. Each coil holds not only keratin but also the echoes of ancient hands that meticulously braided, nourished, and adorned, often with ingredients born from the earth itself.

It is a profound meditation on interconnectedness, a reminder that our physical selves carry the imprints of our past, guiding us toward a future where every strand is honored, understood, and celebrated as a vital part of a vibrant, living archive. The journey of textured hair, from its elemental biological roots to its contemporary expression, is a continuous relay of ancestral knowledge, informing our present and inspiring our future, a permanent whisper of the soul in every strand.

![Hands gently work to form protective coils, reflecting deep rooted cultural traditions of textured hair care. This intimate moment connects to heritage, wellness, and the enduring legacy of styling Black hair, underscoring self expression within diverse communities](/wp-content/uploads/2025/05/hands-crafting-protective-styles-for-textured-hair-coils-and-heritage.jpg)

![In stark monochrome, the portrait celebrates the heritage of Black hair artistry, emphasizing the precision of cornrow braiding achieved upon 4c afro-textured, high-density hair. The composition connects ancestral practices to contemporary self-expression, reflecting deeply rooted identity narratives through artistic styling and sebaceous balance maintenance](/wp-content/uploads/2025/05/monochromatic-portraiture-of-young-man-showcasing-artful-braided-textured.jpg)

## References

- Abdullah, M. (1998). <i>Black Hair: Art, Culture, and Politics._

- Banks, I. (2000). _Hair Matters: Beauty, Power, and the Politics of Hair in African American Women._

- Byrd, A. D. & Tharps, L. L. (2001). _Hair Story: Untangling the Roots of Black Hair in America._

- Caffrey, C. (2023). _Afro-textured hair._ EBSCO Research Starters.

- Collins, P. H. (2002). _Black Feminist Thought: Knowledge, Consciousness, and the Politics of Empowerment._

- Dash, P. P. (2006). Black hair culture, politics and change. _International Journal of Inclusive Education_, 10(6), 715 ❉ 725.

- Ellis-Hervey, N. et al. (2016). _Racialized beauty ideals and the experiences of African American women._

- Gaines, R. et al. (2023). Coils & Curls: A Mathematical Tapestry of Black Hair. _Algorithmic Pattern._

- Oyedemi, T. (2016). The cultural violence of identity erasure in the pursuit of achieving an idealised body feature. _African Identities_, 14(4), 543-559.

- Rele, J. S. & Mohile, R. B. (2017). Hair oiling: a paradigm shift in the deep-rooted ritual from East to West. _International Journal of Trichology_, 9(5), 183.

- Tharps, L. L. (2008). _Hair Story: Untangling the Roots of Black Hair in America._

- Thibaut, S. et al. (2007). Asymmetrical differentiation of African hair cuticle. _International Journal of Cosmetic Science_, 29(1), 31 ❉ 41.

- Walker, S. (2007). _Style and Status: Selling Beauty to African American Women, 1920 ❉ 1975._

- Wong, N. Williams, K. Tolliver, S. & Potts, G. (2025). Historical Perspectives on Hair Care and Common Styling Practices in Black Women. _Cutis_, 115(3), 95 ❉ 99.

## Glossary

### [Mechanical Stress](https://roothea.co/area/mechanical-stress/)

Meaning ❉ Mechanical Stress refers to the physical imposition of external forces upon hair strands, a concept especially pertinent to the distinct architecture of textured hair.

### [Textured Hair Biology](https://roothea.co/area/textured-hair-biology/)

Meaning ❉ Textured Hair Biology refers to the scientific study of the distinct structural and physiological characteristics of hair with curls, coils, and kinks, particularly for Black and mixed-race individuals.

### [Anagen Phase](https://roothea.co/area/anagen-phase/)

Meaning ❉ Anagen Phase represents the vibrant, active growth period for each strand, a foundational moment in the life cycle of textured hair.

### [Beauty Standards](https://roothea.co/area/beauty-standards/)

Meaning ❉ Beauty Standards often describe societal ideals dictating what is considered appealing, particularly concerning appearance.

### [Hair Health](https://roothea.co/area/hair-health/)

Meaning ❉ Hair Health, for textured strands, denotes a state of optimal scalp vitality and fiber integrity, where each coil and kink displays balanced hydration and intrinsic resilience.

### [Hair Follicle Shape](https://roothea.co/area/hair-follicle-shape/)

Meaning ❉ The hair follicle shape, a foundational element in understanding textured hair, refers to the precise anatomical configuration of the follicular canal beneath the scalp's surface.

### [Protective Styling History](https://roothea.co/area/protective-styling-history/)

Meaning ❉ Protective Styling History gently uncovers the enduring wisdom behind methods of preparing textured hair to minimize daily friction and environmental exposure, thereby supporting its inherent strength and length retention.

### [Castor Oil](https://roothea.co/area/castor-oil/)

Meaning ❉ Castor oil, derived from the Ricinus communis plant, presents itself as a dense, pale liquid, recognized within textured hair understanding primarily for its unique viscosity and occlusive qualities.

### [Scientific Understanding](https://roothea.co/area/scientific-understanding/)

Meaning❉ Scientific Understanding, within the context of textured hair, represents the quiet discernment of your unique strands' inherent properties.

### [Telogen Phase](https://roothea.co/area/telogen-phase/)

Meaning ❉ The Telogen Phase marks a quiet period within the hair's growth cycle, a natural interlude where the hair strand pauses its active development.

## Explore Your Heritage

### [What Historical Factors Influence Textured Hair's Unique Structure?](https://roothea.co/question/what-historical-factors-influence-textured-hairs-unique-structure/)
![The monochrome study shows hands united, shaping heritage through generations of ancestral traditions, communal preparation and holistic wellness. Each coil, each strand, symbolizes the strength and resilient beauty passed down, a testament to the enduring spirit woven through every coil.](https://roothea.co/wp-content/uploads/2025/05/women-prepare-rice-in-traditional-african-setting-textured-hair-present.jpg)

### [How Does Black soap'S Natural Chemistry Support Textured Hair's Unique Structure?](https://roothea.co/question/how-does-black-soaps-natural-chemistry-support-textured-hairs-unique-structure/)
![Captivating in monochromatic tones, the portrait celebrates natural hair artistry. The meticulous finger waves showcase a timeless aesthetic, highlighting the woman](https://roothea.co/wp-content/uploads/2025/05/monochrome-portrait-woman-with-classic-finger-waves-hairstyle-and-ebony-skin.jpg)

### [What Is the Ancestral Wisdom behind Cornrows for Textured Hair?](https://roothea.co/question/what-is-the-ancestral-wisdom-behind-cornrows-for-textured-hair/)
![The young girl](https://roothea.co/wp-content/uploads/2025/05/young-girl-adorned-with-traditional-beads-displaying-textured-hair-braids.jpg)

### [Which Traditional African Oils Offer Unique Benefits for Textured Hair Health?](https://roothea.co/question/which-traditional-african-oils-offer-unique-benefits-for-textured-hair-health/)
![Hands gently melding earth elements in a clay bowl reveal a deep cultural ritual for preparing a natural clay treatment, offering an ancestral perspective on textured hair’s unique needs, bridging heritage with contemporary practices for holistic maintenance and optimal scalp health.](https://roothea.co/wp-content/uploads/2025/05/hands-preparing-natural-clay-mask-for-afro-textured-hair-holistic-care.jpg)

### [What Is the Biological Basis for Textured Hair's Unique Properties?](https://roothea.co/question/what-is-the-biological-basis-for-textured-hairs-unique-properties/)
![The black and white tone adds a timeless quality to this scene of cultural exchange, inviting contemplation on the ancestral heritage embodied in textured hair, its ongoing evolution within modern beauty standards, and the commitment to its care and creative expression.](https://roothea.co/wp-content/uploads/2025/05/black-and-white-image-of-textured-hair-stylist-creating-protective-hairstyles.jpg)

### [How Do Inherited Genes Shape the Unique Coil Patterns of Textured Hair?](https://roothea.co/question/how-do-inherited-genes-shape-the-unique-coil-patterns-of-textured-hair/)
![The portrait encapsulates a moment of cultural pride, expressed through traditional attire and facial markings. Her gaze meets the viewer](https://roothea.co/wp-content/uploads/2025/05/black-and-white-portrait-of-a-woman-adorned-in-traditional-headdress.jpg)

### [What Is the Science behind Hair Oiling for Textured Hair?](https://roothea.co/question/what-is-the-science-behind-hair-oiling-for-textured-hair/)
![The image celebrates the intimate act of nurturing textured hair, using rich ingredients on densely coiled strands, reflecting a commitment to holistic wellness and Black hair traditions. This ritual links generations through ancestral knowledge and the practice of self-love embodied in natural hair care.](https://roothea.co/wp-content/uploads/2025/05/applying-hair-cream-to-coiled-hair-a-black-and-white-portrait.jpg)

### [Can Modern Science Validate the Holistic Principles behind Ancient Textured Hair Cleansing Rituals and Their Heritage?](https://roothea.co/question/can-modern-science-validate-the-holistic-principles-behind-ancient-textured-hair-cleansing-rituals-and-their-heritage/)
![The black and white tonality enhances the subjects](https://roothea.co/wp-content/uploads/2025/05/mother-and-daughter-holding-plant-stems-sunlight-black-and-white-portrait.jpg)

### [How Do Traditional African Plant Oils Nourish Textured Hair's Unique Structure?](https://roothea.co/question/how-do-traditional-african-plant-oils-nourish-textured-hairs-unique-structure/)
![Community converges in this timeless frame, hands weaving a legacy into textured hair patterns, showcasing heritage and embracing the natural beauty, while bottles of products emphasize wellness and celebration of Black hair traditions. Expressive artistry blooms, affirming identity and ancestral connection.](https://roothea.co/wp-content/uploads/2025/05/community-braiding-session-textured-hair-heritage-diverse-hands-holistic.jpg)

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            "@type": "Question",
            "name": "What Does Textured Hair’s Anatomy Reveal About Ancestral Adaptation?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nHair, at its fundamental level, is a protein filament primarily composed of keratin, a fibrous protein. Yet, the way these keratin proteins arrange themselves, the shape of the hair follicle from which they emerge, and the density of disulfide bonds within each strand fundamentally dictate the hair’s eventual curl pattern and overall texture. For textured hair, particularly those with a tight curl or coily pattern, the hair follicle itself is often elliptical or flattened in shape, rather than round. This distinct asymmetry forces the hair shaft to grow in a curvilinear, spiraling path, causing the characteristic coils and kinks that define its beauty. Consider the historical context: evolutionary biologists propose that afro-textured hair, with its tight coils, developed as an adaptation to intense sunlight and heat in ancient Africa. This unique structure, with its dense appearance, would have provided insulation, protecting the scalp from harsh UV radiation and helping to retain moisture in arid environments. This biological design speaks volumes about the ingenuity of human adaptation across generations (Gaines et al. 2023). The way the hair emerges almost parallel to the scalp, swirling on itself, not only offers sun protection but also allows for greater air circulation, a natural cooling system for the scalp.\n"
            }
        },
        {
            "@type": "Question",
            "name": "How Have Classification Systems Overlooked Heritage?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nThe language we use to describe textured hair often carries historical baggage, sometimes born from systems that have failed to fully appreciate its multifaceted nature. Historically, terms like “woolly” or “kinky” were used, sometimes with derogatory undertones. In 1997, hairstylist Andre Walker introduced a numerical grading system, classifying kinky hair as ‘type 4’ with subcategories (A, B, C) indicating the degree of coil variation. While intending to categorize, such systems, however, often flatten the rich spectrum of textured hair into a narrow, numerically defined framework. They can inadvertently diminish the fluidity and individual variation inherent within each hair type. This classification, while providing a common lexicon for stylists, can sometimes overshadow the deeper, more holistic understanding of hair that indigenous communities always possessed, one that saw hair not just as a physical trait but as a deeply spiritual and social marker. The wisdom of our ancestors did not require a numbered chart; they understood hair by its vitality, its responsiveness to natural elements, and its connection to identity.\n"
            }
        },
        {
            "@type": "Question",
            "name": "How Did Ancestral Styling Inform Modern Protective Approaches?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nProtective styling for textured hair traces its lineage directly back to ancient African societies, where elaborate cornrows, intricate threading, and various braiding techniques were not just forms of adornment, but served practical and symbolic purposes. These styles protected the hair from environmental elements, minimized breakage, and promoted length retention. The science behind these ancestral methods is now better understood: by minimizing manipulation and keeping hair tucked away, these styles reduce mechanical stress on the hair shaft, particularly at the fragile points where coils bend. This protective quality was crucial in environments where hair could easily dry out or suffer damage from sun and dust. For instance, archaeological findings and oral traditions speak of cornrows dating back as far as 3000 BC in parts of Africa, used not only for beauty but also to signify social status, age, or even to map escape routes during times of enslavement. The art of sectioning hair precisely and braiding it tightly to the scalp, a practice perfected over millennia, effectively distributes tension and safeguards the hair’s vulnerable cuticle layer.\n"
            }
        },
        {
            "@type": "Question",
            "name": "What Tools Accompanied Traditional Styling Journeys?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nThe historical toolkit for textured hair styling was ingeniously crafted from nature’s bounty, reflecting an ancestral reverence for the earth’s provisions. Tools were not solely functional; they were often symbolic, embodying community and connection. Combs carved from wood or bone, for instance, were designed with wider teeth to navigate the natural curves of textured hair, minimizing breakage. The careful construction of these tools acknowledges the hair’s propensity for tangles, which results from the helical shape of the strands overlapping and intertwining. Consider the use of plant fibers for extensions or the embellishment of styles with cowrie shells and beads. These elements were often more than decorative; they were markers of social standing, age, or readiness for certain life stages (Assendelft, n.d.). The tools and techniques were passed down through generations, often during communal styling sessions that reinforced social bonds and shared cultural identity. This historical perspective highlights that the effectiveness of a tool for textured hair is deeply tied to its ability to work with the hair’s inherent structure, rather than against it. Even the act of finger detangling, a method that aligns with the hair’s natural elasticity and avoids excessive pulling, has roots in historical practices where gentle manipulation was paramount.\n"
            }
        },
        {
            "@type": "Question",
            "name": "How Do Ancient Rituals Inform Modern Holistic Care?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nBuilding personalized textured hair regimens today often draws direct inspiration from ancestral practices, which understood hair health as part of a larger wellness philosophy. Before the advent of synthetic concoctions, communities relied on the earth’s pharmacy – natural ingredients, gentle manipulation, and community rituals. For instance, the traditional practice of hair oiling, prevalent across African and South Asian cultures for centuries, was not merely a cosmetic act. Its efficacy, now recognized by contemporary science, lies in the ability of certain oils to penetrate the hair shaft, reducing protein loss and providing deep conditioning, particularly when applied as a pre-wash treatment (Rele & Mohile, 2017). Coconut oil, for instance, with its unique medium-chain fatty acids, notably lauric acid, possesses a molecular structure that allows it to absorb deeply into the hair, offering superior moisture retention and antibacterial properties, which were intuitively understood by our forebears. This ancestral understanding of topical treatments mirrors modern scientific inquiry into ingredient properties. The very act of applying these oils often involved scalp massage, a practice known to stimulate blood circulation and promote follicle health, a wisdom passed down without the need for microscopes.\n"
            }
        },
        {
            "@type": "Question",
            "name": "What Traditional Ingredients Bolster Textured Hair Health?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nThe deep dives into ingredients for textured hair needs reveal a legacy of botanical knowledge. Ancestral communities meticulously cultivated and utilized a diverse array of plants, roots, and seeds, understanding their therapeutic properties through generations of observation and practice.\n"
            }
        },
        {
            "@type": "Question",
            "name": "What Is the Molecular Architecture of Coiled Hair?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nAt the sub-microscopic scale, textured hair presents a fascinating biological marvel. The hair shaft itself is primarily composed of alpha-keratin, a protein that forms complex coiled-coil structures. Within the hair’s cortex, these keratin chains assemble into protofilaments, which then combine to form intermediate filaments. These intermediate filaments, in turn, comprise the bulk of the hair’s structural integrity. The key to the curl lies not only in the elliptical or flattened cross-sectional shape of the follicle, which dictates the hair's helical growth path, but also in the asymmetrical distribution and bonding of keratin within the cortex itself. Research indicates that the cortex of textured hair may exhibit an uneven distribution of specific keratin types or an asymmetrical proliferation of cells within the inner root sheath, leading to differential growth rates on either side of the hair shaft (Thibaut et al. 2007). This creates inherent tension, causing the strand to coil upon itself. The disulfide bonds, the robust chemical linkages between sulfur atoms in keratin, play a crucial role. Their arrangement and density along the curved hair shaft provide the internal scaffolding that locks in the curl pattern. A higher prevalence and strategic positioning of these bonds contribute to the distinctive spring and resilience of tightly coiled hair.\n"
            }
        },
        {
            "@type": "Question",
            "name": "How Does Genetics Shape Our Hair’s Heritage?",
            "acceptedAnswer": {
                "@type": "Answer",
                "text": "\nThe blueprint for textured hair’s unique structure is etched deep within our genetic code, a legacy passed down through ancestral lineages. Genetic factors play a leading role in determining hair texture, dictating the shape of the hair follicle and the formation of disulfide bonds within keratin. Studies have identified several genes associated with hair texture, including EDAR, which influences hair thickness and density, and Hr gene, which impacts follicle shape and curl patterns. While the exact genetic mechanisms are complex and likely involve multiple genes (polygenic traits), the link between genetics and hair texture is clear. This biological inheritance connects individuals directly to their ancestral origins, revealing how human populations adapted to diverse climates over millennia. For example, the tightly coiled structure of afro-textured hair is believed to be an evolutionary adaptation to the intense sun and heat of Africa, providing scalp insulation and promoting air circulation (Caffrey, 2023).\n"
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            "description": "Meaning ❉ The hair follicle, a delicate dermal pocket nestled within the scalp, serves as the singular point where each individual hair fiber begins its growth."
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            "name": "Hair Shaft",
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            "description": "Meaning ❉ The hair shaft serves as the visible, graceful extension of our scalp, the very portion we admire and tend to daily."
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            "name": "Sun Protection",
            "url": "https://roothea.co/area/sun-protection/",
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            "@id": "https://roothea.co/area/textured-hair/",
            "name": "Textured Hair",
            "url": "https://roothea.co/area/textured-hair/",
            "description": "Meaning ❉ Textured hair describes the natural hair structure characterized by its unique curl patterns, ranging from expansive waves to closely wound coils, a common trait across individuals of Black and mixed heritage."
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            "name": "Kinky Hair",
            "url": "https://roothea.co/area/kinky-hair/",
            "description": "Meaning ❉ \"Kinky hair\" identifies a distinct hair fiber morphology, typically presenting as extremely tight, often Z-shaped or tightly coiled S-shaped patterns, predominantly observed within Black and mixed-race hair lineages."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/ancestral-wisdom/",
            "name": "Ancestral Wisdom",
            "url": "https://roothea.co/area/ancestral-wisdom/",
            "description": "Meaning ❉ Ancestral Wisdom, for textured hair, represents the enduring knowledge and discerning observations gently passed through generations concerning the unique character of Black and mixed-race hair."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/mechanical-stress/",
            "name": "Mechanical Stress",
            "url": "https://roothea.co/area/mechanical-stress/",
            "description": "Meaning ❉ Mechanical Stress refers to the physical imposition of external forces upon hair strands, a concept especially pertinent to the distinct architecture of textured hair."
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        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/hair-health/",
            "name": "Hair Health",
            "url": "https://roothea.co/area/hair-health/",
            "description": "Meaning ❉ Hair Health, for textured strands, denotes a state of optimal scalp vitality and fiber integrity, where each coil and kink displays balanced hydration and intrinsic resilience."
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            "name": "Moisture Retention",
            "url": "https://roothea.co/area/moisture-retention/",
            "description": "Meaning ❉ Moisture Retention defines the hair's delicate ability to hold onto water molecules within its structure, a paramount aspect for the inherent health and vitality of textured strands."
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            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/scientific-understanding/",
            "name": "Scientific Understanding",
            "url": "https://roothea.co/area/scientific-understanding/",
            "description": "Meaning❉ Scientific Understanding, within the context of textured hair, represents the quiet discernment of your unique strands' inherent properties."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/eurocentric-beauty-standards/",
            "name": "Eurocentric Beauty Standards",
            "url": "https://roothea.co/area/eurocentric-beauty-standards/",
            "description": "Meaning ❉ Eurocentric beauty standards denote a historical leaning towards hair characteristics commonly found within European lineages, such as straightness, fineness, or gentle waves, alongside particular color and density ideals."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/ancestral-wellness/",
            "name": "Ancestral Wellness",
            "url": "https://roothea.co/area/ancestral-wellness/",
            "description": "Meaning ❉ Ancestral Wellness, within the gentle care of textured hair, denotes a mindful return to foundational principles, drawing insight from generations of practices for Black and mixed hair."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/coiled-hair/",
            "name": "Coiled Hair",
            "url": "https://roothea.co/area/coiled-hair/",
            "description": "Meaning ❉ Coiled hair refers to hair strands forming very tight, often microscopic, helical or spring-like patterns, common within hair types typically categorized as 4A, 4B, and 4C, particularly among Black and mixed-race individuals."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/follicle-shape/",
            "name": "Follicle Shape",
            "url": "https://roothea.co/area/follicle-shape/",
            "description": "Meaning ❉ Follicle Shape, dear one, refers to the precise morphological configuration of the hair follicle, a delicate structure seated within the dermis."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/hair-texture/",
            "name": "Hair Texture",
            "url": "https://roothea.co/area/hair-texture/",
            "description": "Meaning ❉ Hair Texture identifies the inherent physical configuration of individual hair strands, from gentle waves to tightly coiled patterns, a fundamental characteristic for those with Black and mixed heritage hair."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/afro-textured-hair/",
            "name": "Afro-Textured Hair",
            "url": "https://roothea.co/area/afro-textured-hair/",
            "description": "Meaning ❉ Afro-textured hair describes hair fibers exhibiting diverse coil and zig-zag patterns, often characterized by an elliptical cross-section and multiple points of curvature along each strand."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/beauty-standards/",
            "name": "Beauty Standards",
            "url": "https://roothea.co/area/beauty-standards/",
            "description": "Meaning ❉ Beauty Standards often describe societal ideals dictating what is considered appealing, particularly concerning appearance."
        },
        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/textured-hair-biology/",
            "name": "Textured Hair Biology",
            "url": "https://roothea.co/area/textured-hair-biology/",
            "description": "Meaning ❉ Textured Hair Biology refers to the scientific study of the distinct structural and physiological characteristics of hair with curls, coils, and kinks, particularly for Black and mixed-race individuals."
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            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/anagen-phase/",
            "name": "Anagen Phase",
            "url": "https://roothea.co/area/anagen-phase/",
            "description": "Meaning ❉ Anagen Phase represents the vibrant, active growth period for each strand, a foundational moment in the life cycle of textured hair."
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            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/hair-follicle-shape/",
            "name": "Hair Follicle Shape",
            "url": "https://roothea.co/area/hair-follicle-shape/",
            "description": "Meaning ❉ The hair follicle shape, a foundational element in understanding textured hair, refers to the precise anatomical configuration of the follicular canal beneath the scalp's surface."
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            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/protective-styling-history/",
            "name": "Protective Styling History",
            "url": "https://roothea.co/area/protective-styling-history/",
            "description": "Meaning ❉ Protective Styling History gently uncovers the enduring wisdom behind methods of preparing textured hair to minimize daily friction and environmental exposure, thereby supporting its inherent strength and length retention."
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            "@id": "https://roothea.co/area/castor-oil/",
            "name": "Castor Oil",
            "url": "https://roothea.co/area/castor-oil/",
            "description": "Meaning ❉ Castor oil, derived from the Ricinus communis plant, presents itself as a dense, pale liquid, recognized within textured hair understanding primarily for its unique viscosity and occlusive qualities."
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        {
            "@type": "DefinedTerm",
            "@id": "https://roothea.co/area/telogen-phase/",
            "name": "Telogen Phase",
            "url": "https://roothea.co/area/telogen-phase/",
            "description": "Meaning ❉ The Telogen Phase marks a quiet period within the hair's growth cycle, a natural interlude where the hair strand pauses its active development."
        }
    ]
}
```


---

**Original URL:** https://roothea.co/question/what-is-the-science-behind-textured-hairs-unique-structure-2/
