Roots

The journey of understanding textured hair, its profound heritage, and its intricate care begins not with modern laboratories, but with the whispers of ancient wisdom. Consider, for a moment, the feeling of fingertips tracing the delicate coil of a strand, the memory of hands tending to hair passed down through generations. This is not merely about science; it is about a living legacy, a vibrant thread connecting us to ancestral practices that predate written history.

How does modern science affirm these historical textured hair care practices? It is by illuminating the very wisdom embedded within those traditions, revealing the deep, elemental truths our forebears understood intuitively.

From the sun-drenched plains of ancient Africa to the vibrant communities of the diaspora, hair has always been more than a physical attribute. It has served as a sacred marker of identity, status, and spiritual connection. The practices of cleansing, anointing, and adorning hair were not random acts; they were rituals, deeply woven into the fabric of daily life and communal belonging. Today, the discerning eye of science turns its gaze upon these practices, not to dismiss them as folklore, but to uncover the underlying biological and chemical principles that made them so effective.

In a moment of tender holistic care, a woman expertly applies a conditioning mask to textured, natural hair, honoring time-honored Black hair traditions. This protective styling and deep conditioning ritual speaks to embracing natural coils and an ancestral heritage with beauty and wellness

Hair Anatomy and Physiology Specific to Textured Hair

Textured hair, with its unique helical structure, presents a distinct set of characteristics when viewed through a scientific lens. Unlike straight hair, which has a round cross-section, coily and curly strands exhibit an elliptical or even flattened shape. This structural difference influences everything from how light reflects off the hair shaft, contributing to its unique luster, to its inherent strength and susceptibility to breakage. The bends and curves along the hair shaft create points of vulnerability, where the cuticle, the protective outer layer, can be lifted, leading to moisture loss and increased friction.

Ancestral practices, though lacking electron microscopes, instinctively understood these delicate aspects. They developed methods that respected the hair’s natural inclinations, focusing on moisture retention and minimizing manipulation. Think of the shea butter and natural oils used in West African communities, or the coconut oil and herbal infusions common in Ayurvedic traditions.

These substances, rich in fatty acids and emollients, provided a protective barrier, sealing the cuticle and preventing the precious moisture from escaping. Modern science now confirms the occlusive and emollient properties of these natural ingredients, validating their long-standing use for maintaining hair suppleness and strength.

Modern science validates ancestral hair care by revealing the biochemical efficacy of traditional practices and ingredients.
A mindful hand utilizes a comb to carefully detangle wet, textured hair, showcasing a commitment to holistic hair care rooted in ancestral practices. This image captures the dedication to defining and enhancing natural wave patterns, reflecting wellness and deep cultural respect for unique hair heritage

Textured Hair Classification Systems and Their Cultural Origins

The very language we use to describe textured hair has evolved, often carrying the echoes of historical biases and, more recently, a reclamation of pride. While contemporary classification systems, such as the widely recognized Andre Walker hair typing system, attempt to categorize hair based on curl pattern (from straight to coily), it is essential to recall that the concept of “good” hair or “bad” hair is a colonial construct. For centuries, tightly coiled hair was denigrated, often forcing Black women to adopt chemical straightening methods to conform to Eurocentric beauty standards (Byrd & Tharps, 2002).

However, within traditional African societies, the diversity of hair textures was celebrated, each style and texture carrying specific meanings. Hair was a living record of one’s lineage, marital status, age, and even tribal affiliation. For instance, the Wolof people of Senegal used specific braiding patterns to signify a young girl’s readiness for marriage, while men might braid their hair in particular ways to indicate preparation for war (BLAM UK CIC, 2022).

These were not merely aesthetic choices; they were profound statements of identity and belonging. The scientific understanding of hair’s genetic diversity, while offering no moral judgment, implicitly affirms the sheer variety that our ancestors recognized and honored.

The artful chiaroscuro accentuates the woman's sleek, close-cropped hair, highlighting the natural texture and showcasing an aura of understated confidence. This portrait embodies strength and heritage through authentic self-expression, reflecting broader narratives of Black beauty standards and celebrates the embrace of natural textured hair formations

The Essential Lexicon of Textured Hair

A truly meaningful conversation about textured hair, its heritage, and its care requires a shared vocabulary, one that acknowledges both its scientific intricacies and its cultural significance.

  • Coil ❉ The tightly wound, spring-like formation characteristic of highly textured hair, often appearing as small, distinct spirals.
  • Kink ❉ A sharp bend or curve in the hair strand, contributing to the hair’s volume and density.
  • Porosity ❉ The hair’s ability to absorb and retain moisture, a crucial factor in textured hair care, often influenced by the condition of the cuticle.
  • Protective Style ❉ A hairstyle that tucks away the hair ends, minimizing manipulation and exposure to environmental stressors, a practice deeply rooted in ancestral traditions.
  • Scalp Health ❉ The condition of the skin on the head, recognized by ancient practitioners as the foundation for healthy hair growth.

This lexicon, blending scientific terms with those born from lived experience, allows for a more complete dialogue, one that respects the wisdom of the past while embracing the insights of the present.

Black and white tones highlight the heritage of botanical ingredients in textured hair care, emphasizing hibiscus flowers’ role in holistic rituals and deep ancestral connections. Leaves and blossoms communicate wellness via natural traditions, promoting healthy hair formations

Hair Growth Cycles and Influencing Factors

The cyclical nature of hair growth ❉ anagen (growth), catagen (transition), and telogen (resting) ❉ is universal. However, the unique characteristics of textured hair, such as its slower growth rate and higher susceptibility to breakage at the bends, can impact the perceived length retention. Historical practices, often intuitively, worked in concert with these cycles. Regular oiling, gentle cleansing, and protective styling aimed to minimize damage during the anagen phase and extend the hair’s overall lifespan on the scalp.

Consider the ancient Egyptians, who, as early as 1500 BC, were concerned with hair loss and sought remedies for it (Kamal, 2019). Their use of oils, sometimes combined with other ingredients, was not just for aesthetics but also for scalp health and promoting hair growth. Modern studies on traditional herbal hair oils, for instance, have shown their potential to significantly decrease hair fall, promote hair growth, and improve scalp health by reducing dandruff (Mishra et al.

2023). This scientific affirmation underscores the profound, empirical knowledge that underpinned ancestral hair care.

Ritual

Stepping into the realm of ritual, we acknowledge the profound longing within many to reconnect with the practices that shaped our ancestors’ lives, particularly as they relate to the tender care of textured hair. The pursuit of understanding how modern science affirms historical textured hair care practices becomes a journey of rediscovery, a chance to see the echoes of timeless wisdom in the clarity of contemporary understanding. This section gently guides us through the practical application of this heritage, exploring the techniques and tools that have graced generations of hands, from the ancient communal braiding circles to the quiet, mindful moments of today’s hair care.

This floral display mirrors the careful selection of natural ingredients for optimal Afro hair hydration and resilience. The monochrome palette enhances the organic textures, symbolizing a deep connection to ancestral heritage and the art of textured hair care

Protective Styling Encyclopedia

Protective styles, at their core, are an ancient testament to ingenuity and care. From the intricate cornrows depicted in ancient Egyptian art to the elaborate braiding patterns of West African communities, these styles served far more than an aesthetic purpose. They shielded the hair from environmental stressors, minimized daily manipulation, and promoted length retention. The scientific validation for these practices lies in their direct impact on reducing mechanical stress and preventing moisture loss, two critical factors for maintaining the health of textured hair.

During the transatlantic slave trade, these styles took on an even deeper significance, becoming a means of survival and resistance. Enslaved African women braided rice seeds into their hair as a means of sustenance, and cornrows were used to map escape routes, a poignant example of hair as a vessel of hidden knowledge and enduring spirit (BLAM UK CIC, 2022; Sartorial Magazine, 2025). This profound heritage is now understood through the lens of hair biomechanics: by securing the hair in these structured patterns, the individual strands are less prone to tangling, friction, and subsequent breakage, allowing the hair to thrive despite harsh conditions.

This evocative portrait captures the essence of natural Black hair traditions through its textured coils, expressive styling, and confident gaze. It honors cultural heritage and celebrates modern beauty with its interplay of shadows, fostering dialogue on textured hair forms and identity

Ancestral Roots of Protective Styles

The lineage of protective styles is long and storied, each a testament to cultural resilience and artistic expression.

  • Braids ❉ Dating back 5000 years in African culture to 3500 BC, braids, including cornrows, were used to communicate social status, marital status, age, religion, wealth, and even tribal identity.
  • Locs ❉ Often associated with 20th-century Rastafarian culture, the history of twisted locks, or “jaTaa,” can be traced to Hindu Vedic scriptures from 2500 BC.
  • Bantu Knots ❉ These coiled styles, originating with the Zulu people of South Africa, were a practical and symbolic choice for many Bantu ethnic groups.

These styles, while visually striking, offered practical benefits, protecting the hair from environmental damage and reducing the need for daily manipulation, which can lead to breakage in textured hair.

The black and white portrait evokes timeless elegance as the model's natural afro textured hair becomes a statement of heritage. This visual narrative promotes diversity, showcases natural Black hair aesthetics, and celebrates the beauty of Black women and textured hair expression

Natural Styling and Definition Techniques

The quest for defining textured hair’s natural curl or coil pattern is not a modern invention. Ancestral practices, often employing water and natural emollients, aimed to enhance the hair’s inherent beauty. The scientific affirmation of these methods lies in the understanding of hydrogen bonds.

Water, applied to textured hair, temporarily breaks these bonds, allowing the hair to reform into its natural curl pattern as it dries. Ingredients like aloe vera, flaxseed, and various plant-based gels, long used in traditional settings, provide a gentle hold and moisture without the harshness of synthetic polymers.

For instance, the use of mucilaginous plants, which release a slippery, gel-like substance when soaked in water, has been a traditional practice across many cultures for hair definition and conditioning. Modern chemistry identifies these as polysaccharides, compounds that form a light film on the hair, providing subtle hold and reducing frizz by smoothing the cuticle. This gentle approach aligns with the hair’s delicate structure, minimizing the risk of damage.

Bathed in natural light, a young woman’s textured hair receives a traditional wash the image celebrates heritage, embracing ancestral hair traditions and the simple ritual of care, highlighting the deep cultural connection that comes with natural ingredients, wellness, and self-expression in the African diaspora.

Wigs and Hair Extensions Mastery

The adornment of hair through wigs and extensions also carries a rich historical weight, predating contemporary fashion trends by millennia. In ancient Egypt, wigs were not merely decorative; they served practical purposes, protecting the scalp from the sun and preventing lice. They also signified social status, with elaborate constructions worn by royalty and the elite.

Archaeologists have found wigs made of human hair, wool, and palm fibers, often styled with intricate braids and set with beeswax and animal fat (Curationist, 2023; Fletcher, 2002). This historical use reveals an early understanding of hair manipulation and the desire to enhance or alter one’s appearance, often with practical benefits.

The intricate arrangement of textured citrus becomes a visual ode to the natural ingredients celebrated in ancestral hair rituals, reflecting a deep connection between the earth's bounty and the holistic well-being of textured hair within the context of expressive cultural identity.

Heat Styling and Thermal Reconditioning

While heat styling is often viewed as a modern convenience, its roots can be traced to historical practices, albeit with far less sophisticated tools. The use of heated combs to straighten hair, for instance, became prevalent in the late 19th and early 20th centuries, often in response to societal pressures to conform to straight hair ideals (National Museum of American History, 2024). This historical context is vital when discussing the scientific impact of heat on textured hair.

From a scientific standpoint, excessive heat can cause irreversible damage to the hair’s protein structure, leading to dryness, breakage, and loss of curl pattern. The disulfide bonds that give textured hair its unique shape are particularly vulnerable. Modern science, through advancements in thermal protectants and ceramic tools, seeks to mitigate this damage. However, the ancestral wisdom of minimizing heat and prioritizing moisture offers a profound counterpoint, reminding us that gentle, consistent care often yields the most lasting health for textured hair.

Traditional styling practices, often rooted in necessity, reveal an innate understanding of hair protection and preservation.
The halved seed pod shows botanical beauty, mirroring intricate spiral textures and ancestral heritage similar complex formations are echoes of coils, afro-textured hair emphasizing the importance of natural plant ingredients for holistic nourishment and textured hair resilience, rooted in tradition.

The Complete Textured Hair Toolkit

The tools of textured hair care, from ancient combs to contemporary brushes, tell a story of evolving ingenuity and enduring principles.

  • African Combs ❉ Archaeological finds, some dating back nearly 6000 years, reveal intricately carved combs used for detangling, styling, and even as symbols of status. These tools were often crafted from natural materials like wood or bone, gentle on the hair and scalp.
  • Hair Picks ❉ The afro pick, a symbol of the natural hair movement, has origins tracing back to ancient Egypt, where similar tools were used for lifting and styling voluminous hair.
  • Fingers ❉ Perhaps the oldest and most effective tool, fingers have always been used for gentle detangling, applying products, and shaping styles, minimizing mechanical stress.

The science behind these tools often lies in their ability to minimize friction and distribute products evenly, thereby reducing breakage and promoting healthy hair. The choice of wide-toothed combs over fine-toothed ones for detangling textured hair, for example, is a direct application of understanding how to navigate the hair’s natural coils with minimal stress.

Relay

How does modern science affirm historical textured hair care practices, particularly as we consider the intricate interplay of biological, psychological, and profound cultural factors? This is not a simple query, but an invitation to delve into the depths of inherited wisdom, to see how the very fibers of our hair carry the echoes of generations. The relay of knowledge, from elder to youth, from ancient herb to molecular compound, forms a continuous stream, revealing a shared understanding of hair as a living, breathing aspect of self and collective identity.

The application of clay to textured hair braids evokes ancestral traditions, symbolizing a connection to heritage and holistic hair wellness practices. This intimate moment emphasizes the care invested in maintaining strong, culturally significant hair formations and scalp health with natural ingredients

Building Personalized Textured Hair Regimens

The concept of a personalized hair regimen, seemingly a modern innovation, finds its deepest roots in ancestral wisdom. Traditional communities understood that hair care was not a one-size-fits-all endeavor. Practices were often tailored to individual needs, influenced by climate, available resources, and the specific characteristics of one’s hair and scalp. Ethnobotanical studies, for instance, document a wide array of plants used for hair and skin care across different African communities, with specific applications based on local knowledge (Wondimu et al.

2025; Mouchane et al. 2023). This rich tapestry of localized knowledge mirrors modern trichology’s emphasis on individualized care, recognizing the unique needs of each strand.

Science now provides the granular detail to explain why these individualized approaches were so effective. Factors like hair porosity, density, and elasticity, along with scalp conditions, dictate how products interact with the hair. Ancestral practitioners, through generations of observation and experimentation, developed intuitive understandings of these variables. They might have used different plant extracts or oil blends for hair that felt dry versus hair that seemed to shed excessively, demonstrating an empirical, though unwritten, scientific method.

A tender gesture of ancestral hair care traditions, captured in monochrome, showcases the application of natural ingredients, symbolizing heritage and wellness. This image honors cultural practices while nurturing tightly coiled textures, fostering self-love and communal connection with time-honored Black hair traditions

How Does Understanding Ancestral Wisdom Refine Modern Hair Care Personalization?

Ancestral wisdom refines modern hair care personalization by providing a blueprint of sustainable, natural, and community-centric approaches. For example, the Afar people of Northeastern Ethiopia utilize 17 identified plant species for hair and skin care, with a high Informant Consensus Factor of 0.95, indicating strong agreement on their traditional uses (Wondimu et al. 2025).

This collective, validated knowledge suggests that solutions for specific hair needs were often discovered and refined communally, offering a model for holistic, community-driven wellness. This contrasts with a purely commercial, individualized approach, emphasizing the importance of shared knowledge and locally sourced ingredients.

In black and white, hands grind ingredients, embodying ancestral heritage focused on preparing natural hair treatments. The scene reflects dedication to holistic wellness and the timeless process of crafting care solutions, showcasing a commitment to textured hair health through time-honored traditions

The Nighttime Sanctuary: Essential Sleep Protection and Bonnet Wisdom

The ritual of protecting textured hair during sleep, often with headwraps or bonnets, is a practice deeply embedded in Black hair heritage. This seemingly simple act carries profound scientific implications. Friction from cotton pillowcases can cause breakage, frizz, and moisture loss, especially for delicate textured strands. Silk or satin fabrics, traditionally used in various forms of head coverings, minimize this friction, preserving the hair’s cuticle and retaining its moisture.

Nighttime hair protection, a cornerstone of textured hair heritage, is scientifically affirmed by its role in reducing friction and preserving moisture.

The historical significance of headwraps extends beyond mere protection. In many African societies, headwraps symbolized a woman’s status, age, or marital standing (BLAM UK CIC, 2022). During slavery, head coverings became a means of forced concealment, yet they also transformed into symbols of resilience and covert communication (Rodriguez & Jackson, 2023). Today, the bonnet, a direct descendant of these historical head coverings, offers both practical benefits and a connection to this rich lineage, scientifically preserving hair health while honoring a deep cultural practice.

Hands deftly blend earthen clay with water, invoking time-honored methods, nurturing textured hair with the vitality of the land. This ancestral preparation is a testament to traditional knowledge, offering deep hydration and fortifying coils with natural micronutrients

Ingredient Deep Dives for Textured Hair Needs

The efficacy of traditional ingredients, passed down through oral traditions and generations, is increasingly affirmed by scientific analysis. Many ancestral remedies, once dismissed as folk medicine, are now recognized for their potent biochemical properties.

  1. Shea Butter (Butyrospermum parkii) ❉ Long used across West Africa, this rich emollient is now scientifically lauded for its high concentration of fatty acids (oleic, stearic, linoleic) and vitamins A and E. These components provide deep conditioning, seal moisture into the hair shaft, and offer natural UV protection.
  2. Coconut Oil (Cocos nucifera) ❉ A staple in Ayurvedic hair care, studies confirm its unique ability to penetrate the hair shaft due to its lauric acid content, reducing protein loss from both damaged and undamaged hair (Mishra et al. 2023; Jude, 2020). This penetration provides conditioning from within, a key benefit for textured hair prone to dryness.
  3. Aloe Vera (Aloe barbadensis miller) ❉ Revered in various indigenous cultures for its healing properties, scientific research points to its proteolytic enzymes that repair dead skin cells on the scalp, its moisturizing polysaccharides, and its anti-inflammatory effects, soothing irritated scalps.
  4. Bhringraj (Eclipta prostrata) ❉ A prominent herb in Ayurvedic tradition, used for promoting hair growth and preventing premature graying. Modern studies suggest its efficacy in stimulating hair follicles and increasing the number of hair follicles in the anagen phase (Mishra et al. 2023).

These examples illustrate how ethnobotanical knowledge, collected through generations of trial and observation, is now systematically verified by contemporary scientific inquiry, closing the loop between ancient wisdom and modern understanding.

The monochrome water droplet symbolizes the delicate balance of moisture and natural textures, revealing detailed patterns within leaf structure. Reflecting ancestral wisdom in natural botanical benefits for nourishing hair and scalp, evoking traditions and care strategies, rooted in natural ingredients and holistic wellness philosophies

Textured Hair Problem Solving Compendium

Addressing common textured hair concerns, such as dryness, breakage, and scalp irritation, has been a constant across generations. Ancestral solutions, often holistic in nature, provided a comprehensive approach. For instance, traditional African and Indian practices often involved regular scalp massages with herbal oils, which modern science now links to improved blood circulation to the hair follicles, thereby promoting nutrient delivery and waste removal (Mishra et al. 2023).

The understanding of hair loss, or “khalitya” in Ayurveda, led to the development of specific herbal oil formulations designed to stimulate growth and reduce shedding. A clinical investigation on an Ayurvedic hair oil demonstrated a significant decrease in hair fall by 63.49% and an increase in hair growth rate by 79.92% over eight weeks in healthy adults (Mishra et al. 2023). This provides a clear scientific affirmation of the efficacy of traditional remedies for common hair ailments.

This striking portrait captures the essence of natural beauty, celebrating the strength and resilience embodied in tightly coiled afro hair. The image evokes a sense of empowerment and pride, connecting textured hair to ancestral heritage and a modern expression of self-acceptance, styled with minimalist modern afro aesthetic

Holistic Influences on Hair Health

The ancestral understanding of hair health extended far beyond topical applications. It was viewed as an intrinsic part of overall well-being, deeply intertwined with diet, stress levels, and spiritual harmony. This holistic perspective, once considered intangible, is now gaining traction within scientific discourse. Nutritional science, for example, affirms the critical role of vitamins, minerals, and protein in healthy hair growth, echoing traditional diets rich in whole foods.

The connection between stress and hair health, often recognized in traditional medicine, is now understood through the lens of endocrinology and dermatology, where chronic stress can disrupt hair growth cycles and exacerbate conditions like alopecia. The ancestral practices of mindfulness, community support, and connection to nature, while not direct hair treatments, contributed to a state of being that fostered internal balance, ultimately reflecting in the vitality of one’s hair. This interconnectedness of mind, body, and hair, a cornerstone of ancestral wellness philosophies, is increasingly validated by contemporary scientific understanding.

Reflection

As we close this exploration, the profound connection between modern science and historical textured hair care practices becomes not merely an academic point, but a luminous affirmation of heritage. The wisdom of our ancestors, passed down through generations, often without formal texts or laboratories, stands validated by the precise instruments and methodologies of today. It is a powerful reminder that true knowledge often flows from deep observation, intuitive understanding, and a respectful relationship with the natural world. The Soul of a Strand, indeed, carries within it a living archive, a testament to the resilience, ingenuity, and beauty that has always defined textured hair and its enduring legacy.

References

  • Byrd, A. D. & Tharps, L. L. (2002). Hair Story: Untangling the Roots of Black Hair in America. St. Martin’s Press.
  • Kamal, S. M. (2019). Baldness Scenes In Ancient Egyptian Private Tombs; As An Indicator Of Social Class, Activity And Physical Ability. International Journal of Tourism and Hospitality Management, 2(2), 127-179.
  • Mishra, M. Patel, N. Merja, A. Shah, S. & Patel, M. (2023). A clinical investigation on the safety and effectiveness of an ayurvedic hair oil in controlling hair fall (khalitya) in healthy adult human subjects: a study on hair fall management. International Journal of Research in Dermatology, 10(1), 1-10.
  • Mouchane, M. Taybi, H. Gouitaa, N. & Assem, N. (2023). Ethnobotanical Survey of Medicinal Plants used in the Treatment and Care of Hair in Karia ba Mohamed (Northern Morocco). Journal of Medicinal Plants and By-products, 13(1), 201-208.
  • Jude, Y. (2020). The Black Hair Care Revolution: A Simple Pocket Guide to Growing & Maintaining Healthy Natural & Permed Hair. Aardvark Global Pub.
  • Wondimu, T. Zeynu, A. Eyado, A. & Mekonnen, Y. (2025). Plants used for hair and skin health care by local communities of Afar, Northeastern Ethiopia. Ethnobotany Research and Applications, 29, 1-12.
  • Fletcher, J. (2002). Ancient Egyptian Hair and Wigs. The Ostracon, 13(2), 1-11.

Glossary

Historical Hair Practices

Meaning ❉ Historical Hair Practices for textured hair gently guide us through the wisdom of ages, revealing ancestral methods cultivated across generations, particularly within communities of Black and mixed-race heritage.

Disulfide Bonds

Meaning ❉ Disulfide bonds are quiet, steadfast connections within the keratin protein of our hair, acting as invisible anchors that give textured strands their unique curl patterns and inherent strength.

Hair Shaft

Meaning ❉ The hair shaft serves as the visible, graceful extension of our scalp, the very portion we admire and tend to daily.

Anagen Phase

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

Hair Growth

Meaning ❉ Hair Growth, for those with distinct coils, curls, and waves, denotes the gentle biological cycle where new cellular structures emerge from the scalp's follicular depths, gradually extending each unique strand.

Hair Anatomy

Meaning ❉ Hair Anatomy, for those tending to textured crowns, gently reveals the delicate biological blueprint of each strand and its foundational home beneath the scalp.

Hair Ritual

Meaning ❉ A 'Hair Ritual' for textured hair, particularly Black and mixed-race hair, signifies a thoughtfully established series of actions, executed with intention, to support hair health and manageability.

Shea Butter

Meaning ❉ Shea Butter, derived from the fruit of the African shea tree, Vitellaria paradoxa, represents a gentle yet potent emollient fundamental to the care of textured hair.

Wigs and Extensions

Meaning ❉ Wigs and extensions stand as thoughtful components within the expansive realm of textured hair understanding, serving as a gentle shield against daily friction and environmental stressors for Black and mixed-race hair types.

Polysaccharides

Meaning ❉ Polysaccharides, those gentle giants of molecular structure, are essentially complex sugars that bring a quiet strength to the realm of textured hair care.