Skip to main content

The journey through history and knowledge, much like the intricate twists of a precious coil, reveals that understanding the past is essential for truly appreciating the present. Within the realm of textured hair, its heritage, and its care, a particular historical shadow emerges ❉ Scientific Racism History. This field of thought attempted to classify, categorize, and ultimately devalue certain human physical characteristics, including hair, to justify social hierarchies. Exploring this history allows us to disentangle its lingering effects and reclaim the narratives of beauty, resilience, and ancestral wisdom that have always guided the tender care of textured hair.

Fundamentals

Scientific Racism History refers to a period and intellectual movement where pseudo-scientific theories and methodologies were employed to establish and reinforce a hierarchy among human groups, largely based on perceived physical differences. These differences, such as skin color, facial features, and hair texture, were presented as biological facts, aiming to justify social inequalities and discriminatory practices like colonialism and slavery. This collection of ideas, prevalent from the 17th through the early 20th centuries, positioned Europeans at the apex of this fabricated racial structure.

The core of this historical interpretation lies in the erroneous assumption that humanity divides into distinct biological groups, differing not only in outward appearance but also in inherent intellectual and behavioral capacities. Early proponents, often scholars in Europe and North America, deployed new techniques for measurement and analysis, lending a veneer of scientific objectivity to their predetermined conclusions. They sought to describe immutable racial categories, and in doing so, they inadvertently echoed biases of their time.

Our focus here, through the lens of Roothea, centers on how this historical interpretation entangled itself with the perception of hair, particularly textured hair. Hair, a visible and distinct human trait, became a prime subject for these classification schemes. The unique coily, curly, and wavy patterns of Black and mixed-race hair were frequently subjected to misinterpretation and devaluation within these frameworks. The language used to describe these hair textures often held a derogatory connotation, which continues to cast long shadows into contemporary understanding.

Scientific Racism History deployed pseudo-scientific methods to falsely categorize human groups, often using physical traits like hair to assert racial hierarchies and justify societal inequities.

Understanding this fundamental context helps us unravel the origins of certain beauty standards and biases that have shaped hair experiences for generations. It encourages us to look beyond simplistic categorizations and to appreciate the profound diversity and inherent beauty of all hair types, especially those historically maligned.

Consider the impact of early racial classification systems, which were frameworks used to sort individuals based on outward physical characteristics. These systems were not benign academic exercises; they historically served to underpin and perpetuate social stratification. The classification of hair type was a significant element in this process, with particular attention paid to the perceived differences in texture and form between European and African hair.

  • Typological Model ❉ This approach, prominent in the late 19th and early 20th centuries, assumed humans could be assigned to a race based on shared physical traits. Hair form, alongside head shape and skin color, served as a key marker.
  • Physical Anthropology ❉ During this period, physical anthropology actively sought to identify, measure, and classify peoples into racial types, believing hair provided crucial distinctions.
  • Craniology ❉ Though primarily focused on skull measurements, craniology contributed to the broader framework of scientific racism, asserting that cranial size correlated with intelligence, thus indirectly devaluing those groups assigned lower cranial capacities.

Intermediate

Moving beyond the basic definition, an intermediate understanding of Scientific Racism History reveals the specific pseudo-scientific methods employed and their profound societal implications, particularly for textured hair. This historical movement was far from a neutral academic pursuit; it represented a systematic effort to rationalize existing power structures through a distorted lens of biological determinism.

Monochromatic artistic portrait showcases the elegant simplicity of a coiled updo hairstyle, drawing attention to the natural texture and form. Lighting highlights the smooth surface and creates a serene, classic aesthetic, while the backdrop emphasizes the clean, refined nature.

The Fabric of Pseudoscience and Hair

In the 18th and 19th centuries, European scholars intensified their categorization of human populations, scrutinizing physical features like skin color, facial structure, and hair type. This classification system became deeply entwined with the colonial project, serving to legitimize the subjugation of non-European peoples by portraying them as inherently inferior. The ramifications of these classifications reached far, influencing not only academic discussions but also shaping societal attitudes and policies that entrenched inequality and discrimination.

Figures such as Charles White, an English physician, published what he believed to be the earliest proper “scientific” study of human races in 1799. He meticulously described racial categories in physical terms, identifying what he perceived as differences in the head, limbs, skin color, and crucially, hair texture. White even measured the body parts of Black and white individuals to lend a scientific appearance to his conclusions. His work not only advocated for a racial hierarchy but also supported the speculation that Black people and Europeans belonged to different species.

The concept of “woolly hair” became a marker, almost a scientific shorthand, to describe African hair textures, often in a derogatory way. This term was not merely descriptive; it carried with it a heavy implication of biological primitivism, serving to reinforce a dehumanizing narrative. Naturalists like Ernst Haeckel in the 1800s devised taxonomic categories of “wooly-haired” humans, explicitly including “fleecy-haired Africans.” This language and classification directly contributed to the racialization of hair, weaving it into the fabric of oppressive ideologies.

Pseudo-scientific classifications, such as those employing terms like ‘woolly hair,’ were intentionally used to denigrate African hair textures and buttress racial hierarchies.

The tightly coiled hair form, presented in stark monochrome, celebrates heritage while highlighting the intricate patterns and inherent beauty. Emphasizing holistic care and ancestral practices, the play of light and shadow accentuates the hair's natural texture, promoting an appreciation for Black hair's aesthetic.

Societal Resonance ❉ The Pencil Test’s Shadow

The impact of these pseudo-scientific classifications extended beyond academic texts, permeating everyday life and governmental policy. A chilling example of this is the Apartheid Pencil Test in South Africa. During this era, authorities devised a physical assessment to determine an individual’s racial classification. A pencil would be placed in a person’s hair; if it remained in place due to tight curls and coils, the individual was classified as “Native” (Black) or “Colored” on their identity documents, leading to enforced segregation.

This seemingly simple test illustrates how profoundly a natural characteristic, hair texture, could be weaponized by a system rooted in Scientific Racism History to strip individuals of their rights and humanity. It represents a stark historical example of the tangible, painful consequences of these classifications.

Era/Perspective Ancient African Practices
Description of Hair Classification Deeply cultural, spiritual, and communal recognition of diverse hair textures; classifications often linked to lineage, status, or community roles.
Impact on Hair Heritage Affirmed inherent beauty and cultural significance, fostering collective identity and ancestral knowledge.
Era/Perspective 18th-19th Century Scientific Racism
Description of Hair Classification Categorization based on perceived "racial" differences (e.g. "woolly," "straight"), often linked to intellect and social standing. Charles White and Samuel George Morton were prominent figures.
Impact on Hair Heritage Devalued textured hair, associating it with inferiority; laid groundwork for systemic discrimination and Eurocentric beauty standards.
Era/Perspective Early 20th Century Eugenics (e.g. Eugen Fischer)
Description of Hair Classification Development of tools like the "hair gauge" to classify hair color and texture for "racial hygiene," determining proximity to "whiteness."
Impact on Hair Heritage Reinforced harmful stereotypes, contributing to forced assimilationist policies and internalizing of hair bias.
Era/Perspective Contemporary Hair Typing Systems (e.g. Andre Walker)
Description of Hair Classification Modern systems (e.g. 4A, 3B) primarily for styling and product recommendations; criticized for perpetuating "texturism" by implicitly favoring looser curl patterns.
Impact on Hair Heritage Offers practical guidance for care but sometimes inadvertently echoes historical biases, requiring conscious effort to promote true inclusivity.
Era/Perspective The arc of hair classification reveals a journey from deep ancestral reverence to a period of scientific distortion, challenging us to reclaim its true significance for future generations.

The historical context explains why even contemporary hair typing systems, while intended to be helpful, sometimes perpetuate issues like “texturism”—a form of discrimination within textured hair communities that favors looser curl patterns over tighter coils. This stems from an inherent historical bias, deeply ingrained by Scientific Racism History, which positioned anything closer to European hair textures as more desirable. We see that the echoes of these prejudiced categorizations continue to shape perceptions, even within communities that have historically championed textured hair.

Exploring the development of these ideas allows us to dismantle them with intention. It helps us understand that the language we use, the products we choose, and the standards we uphold for hair are not neutral. They carry the weight of a history that sought to diminish certain hair types. Embracing this knowledge strengthens our connection to ancestral wisdom, which always celebrated the diversity of hair as a profound expression of identity and lineage, long before pseudo-science sought to disrupt that understanding.

The enduring influence of these historical frameworks means confronting their presence in spaces we might not expect. For instance, the very adjectives commonly used to describe very curly hair have historical roots in derogatory usage, deployed for at least two centuries to justify racial hierarchies. The path to truly liberating our hair narratives requires an active, informed unburdening of these historical weights.

Academic

The academic understanding of Scientific Racism History transcends a mere chronological recounting; it requires a deep analytical engagement with its epistemological underpinnings, its methodological flaws, and its devastating long-term consequences, particularly as they intertwine with the heritage of Black and mixed-race textured hair. This intellectual current, flourishing between the 17th and mid-20th centuries, functioned as a sophisticated apparatus designed to legitimize white supremacy through the guise of empirical inquiry. It rested on the fundamental misapprehension that human diversity segregated into distinct biological “races,” each possessing fixed, inherited physical and behavioral characteristics, which could then be hierarchically ranked. This delineation of meaning, a statement of supposed biological truth, was in reality a designation, a careful construction to sustain systems of oppression.

This evocative image captures a modern woman with heritage texture, celebrated in a contemporary context, reflecting strength and sophistication. Her polished hair is a tribute to both expressive styling and mindful holistic hair care, symbolizing the essence of beauty through texture and intentionality, a blend of heritage and personal narrative.

The Architecture of Misdirection ❉ Methodological Foundations and Fabricated Distinctions

The progenitors of Scientific Racism History, predominantly European and American scholars, meticulously crafted and deployed methodologies that appeared objective and rigorous, yet were inherently biased and teleological. They sought data to confirm preconceived notions of racial superiority, often manipulating measurements and interpretations to fit their pre-existing ideological frameworks.

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.

Craniometry and the Politics of Skull Measurement

A cornerstone of this pseudo-scientific edifice was craniometry , the systematic measurement of human skulls. Prominent figures like Samuel George Morton (1799-1851), a Philadelphia physician, became a leading exponent. Morton, through his extensive collection of skulls—amassing thousands—sought to quantify brain size, believing it directly correlated with intelligence. His seminal work, Crania Americana (1839), meticulously detailed these measurements, presenting findings that purportedly ranked racial groups, with Caucasians consistently at the top and Africans at the bottom.

Morton’s interpretations, while cloaked in scientific language, were deeply shaped by prevailing racist sentiments. He described the “Ethiopian Race” (Africans) as possessing “black, woolly hair; the eyes are large and prominent, the nose broad and flat, the lips thick, and the mouth wide; the head is long and narrow, the forehead low, the cheekbones prominent, the jaws protruding, and the chin small.” He then connected these physical descriptions to supposed mental characteristics, claiming Africans were “joyous, flexible, and indolent,” with “the far extreme the lowest grade of humanity.” The very delineation of these physical attributes, including hair, was not a neutral observation, but a tool for a predetermined narrative of inferiority. His work, along with that of Josiah Nott and George Gliddon, explicitly supported theories of polygenesis—the belief that different human “races” originated from separate creations, effectively positioning Black people as a distinct, lesser species.

The implications of Morton’s work resonated deeply, providing a “scientific” justification for slavery and racial discrimination in the United States. Martin Luther King Jr. in his critique of scientific racism, lamented how “Science was commandeered to prove the biological inferiority of the Negro” (King, 1963, p. 37), directly referencing how pseudo-scientific writings argued for smaller brain sizes in Black individuals.

The portrait evokes a sense of timelessness, celebrating the beauty of natural texture and the power of minimalist styling. The precise haircut accentuates the face while emphasizing hair texture, and it speaks to the confident embrace of heritage and identity expressed through style.

Hair as a Racial Stigma ❉ The Case of “Woolly” Hair and “Pili Annulati”

The classification of hair served as a particularly insidious avenue for scientific racism. European naturalists and anthropologists obsessively categorized hair textures, often reducing the immense diversity of African hair to a singular, pathologized descriptor ❉ “woolly.” This term, used by figures like Samuel George Morton and Ernst Haeckel, carried explicit connotations of primitivism, linking hair morphology directly to supposed evolutionary inferiority.

A powerful, less commonly discussed example that illuminates this history involves the misinterpretation and medicalization of certain hair conditions, sometimes tied to racial classifications. While the term Pili Annulati itself describes a benign condition characterized by alternating light and dark bands in the hair shaft due to air-filled spaces, its historical context, or similar discussions around hair structure in the context of racial taxonomy, reveals a deeper, more problematic layer. Early pseudo-scientists and ethnographers, in their relentless pursuit of “racial markers,” misinterpreted natural variations in hair morphology. They viewed tightly coiled hair not as a protective adaptation (which modern science understands for its role in thermoregulation and UV protection), but as an anatomical deviation, a signifier of lesser evolutionary development.

The pseudo-scientific focus on hair morphology, particularly the “woolly” designation, served to rationalize discriminatory practices by falsely linking hair texture to inherent human worth.

Consider this perspective ❉ Victorian eugenicists, as noted by Henry Frith in his 1891 book, regarded Black people’s hair as akin to “animal fur,” asserting they had remained “black-skinned, woolly-headed animal for the last 2,000 years.” This shocking reduction of human identity to a caricatured physical attribute illustrates the profound depravity of Scientific Racism History. The language chosen for these descriptions, often drawing from zoological classifications, explicitly stripped Black individuals of their humanity, paving the way for profound social and legal discrimination. This particular historical example powerfully illuminates the direct connection between the pseudo-scientific study of hair and its use as a tool for racial oppression.

The obsession with categorizing hair texture also played into the creation of tools like the Fischer-Saller hair gauge , designed by German anthropologist Eugen Fischer in 1905. Though primarily for hair color, these instruments were employed in eugenics studies in Nazi Germany to classify “mixed-race” individuals and determine their “proximity to whiteness” based on physical traits, including hair. This demonstrates a chilling continuity of Scientific Racism History across different national contexts, all rooted in the same false premises of fixed racial types.

  1. Dehumanization Through Description ❉ Terms like “woolly,” “frizzy,” or “kinky” were not neutral descriptors but were imbued with negative connotations within these pseudo-scientific frameworks, aligning textured hair with “primitive” or “animalistic” traits.
  2. Biological Determinism ❉ Scientific Racism History rigidly believed that hair texture was an immutable biological marker, solely determined by genetics and linked to intelligence or moral character, rather than environmental factors or natural variation.
  3. Eugenics Connection ❉ The categorization of hair contributed to eugenicist goals, aiming to control human reproduction based on “desirable” physical traits and eliminate “undesirable” ones.

This historical imposition of meaning on textured hair created a damaging lexicon that continues to influence perceptions today. It transformed ancestral practices of hair care, which held deep cultural and spiritual significance, into perceived acts of rebellion against imposed norms.

Bathed in soft light, three generations connect with their ancestral past through herbal hair practices, the selection of botanical ingredients echoing traditions of deep nourishment, scalp health, and a celebration of natural texture with love, passed down like cherished family stories.

The Unraveling ❉ Critiques and Legacies

The inherent flaws and moral bankruptcy of Scientific Racism History did not go unchallenged. Early 20th-century anthropologists, most notably Franz Boas (1858-1942), played a pivotal role in dismantling these typological and deterministic notions of race. Boas, a German-American anthropologist, argued forcefully that human behaviors and cultural differences are primarily learned through social interaction, rather than being innate biological dispositions. His studies demonstrated the plasticity of physical characteristics, including cranial shape and size, showing their malleability under environmental and nutritional influences, contradicting the rigid claims of racial anthropologists.

Boas and his students articulated a consensus ❉ racial antagonism is not instinctive; American racial categories do not correlate with fixed biological facts; civilization received “contributions” from all peoples; and there is no relationship between a group’s cultural achievements and its biology. His work underscored that racial classifications were primarily social constructs, not biological realities. The scientific consensus today aligns with this understanding ❉ race lacks any biological basis as a fixed category, serving instead as a social construct that has historically facilitated oppression and discrimination.

Aspect of Hair Wellness Beauty Standards
Influence of Scientific Racism History Promoted Eurocentric ideals, devaluing coily/kinky textures as "unruly" or "unprofessional."
Reclaiming Ancestral Wisdom for Care Celebrating diverse hair patterns as inherent beauty, recognizing the unique aesthetic and protective qualities of textured hair.
Aspect of Hair Wellness Product Development
Influence of Scientific Racism History Historically focused on altering texture (relaxers, perms) to conform to straight hair ideals, often with harsh chemicals.
Reclaiming Ancestral Wisdom for Care Prioritizing natural ingredients and traditional methods that nourish, strengthen, and celebrate hair's natural state without alteration.
Aspect of Hair Wellness Hair Care Practices
Influence of Scientific Racism History Internalized self-perception of textured hair as "problematic," leading to practices driven by concealment or modification.
Reclaiming Ancestral Wisdom for Care Revitalizing ancestral rituals (e.g. specific oiling, braiding techniques) that reflect a holistic approach to hair health and identity.
Aspect of Hair Wellness Social Acceptance
Influence of Scientific Racism History Led to discrimination in schools, workplaces, and public spaces against natural textured hair, often codified in dress codes.
Reclaiming Ancestral Wisdom for Care Advocating for legislative changes (e.g. Crown Act) and cultural shifts that affirm the right to wear natural hair without penalty.
Aspect of Hair Wellness The enduring impact of Scientific Racism History underscores the urgent need to reclaim and uphold the profound ancestral wisdom embedded in textured hair care practices.

Despite the scientific debunking, the echoes of Scientific Racism History persist, subtly influencing medical fields and societal perceptions. A contemporary example surfaces in electroencephalography (EEG) research. A critical paper points out the inadvertent systemic racism and racial biases within EEG methodology, specifically noting the challenges in adapting the technique for African hair types. Because standard high-quality EEG recordings require proper adherence between the electrode and the scalp, African hairstyles (like cornrows and braids) and hair types (naturally curlier and tightly coiled) can prevent good signal conductance.

This leads to the exclusion of Black American participants, rendering research findings less generalizable and creating disparities in theoretical knowledge applicable to this population. This practical impediment, rooted in a historical lack of consideration for Black hair morphology, demonstrates how the legacy of Scientific Racism History continues to affect contemporary scientific practice, even unintentionally, by perpetuating a cycle of exclusion.

The long-term consequences of Scientific Racism History extend into deeply personal realms, shaping self-perception and mental well-being within Black and mixed-race communities. The relentless denigration of textured hair fueled an internalized bias, often leading individuals to perceive their natural hair as “unprofessional” or “undesirable” in Western contexts. This psychological burden, passed down through generations, has fueled industries built on altering hair to conform to Eurocentric standards, frequently at the expense of hair health.

Moreover, understanding the sophisticated nature of this pseudo-science, the way it used “technical vocabulary” to subdue “heated desire” (Sapir, cited in Golub & Chen, 2017), exposes the insidious nature of its construction. It was not simply crude prejudice but an intellectual project that, though flawed, commanded significant academic and institutional power. The meaning of “race” was distorted, its significance inflated, to serve a social agenda.

The explication of its mechanisms, from craniometry to hair typing, clarifies how deeply ingrained these falsehoods became. The delineation of these historical narratives, particularly their impact on hair, allows for a more complete understanding of its complex history.

The enduring value of revisiting Scientific Racism History lies in recognizing its profound, albeit negative, contribution to our understanding of human diversity. It serves as a stark reminder of the perils of allowing prejudice to masquerade as objective inquiry. By dissecting its erroneous assumptions and methodologies, we can better appreciate the scientifically grounded understanding of human variation that celebrates the richness of different hair morphologies as biological adaptations and expressions of human beauty, entirely devoid of hierarchy. This critical interpretation allows us to honor the ancestral practices that persisted as acts of defiance and self-affirmation amidst systems designed to erase their value.

Reflection on the Heritage of Scientific Racism History

The journey through the intricate corridors of Scientific Racism History, particularly as it intersects with the heritage of textured hair, leaves us with a solemn truth ❉ knowledge, when wielded without reverence for humanity, can inflict profound and lasting wounds. Yet, amidst the shadows cast by pseudo-scientific classifications and the painful legacy of their implications, the spirit of textured hair remains untamed, vibrant, and eternally connected to its ancestral roots. Our understanding of this historical narrative is not merely an academic exercise; it is an act of reclamation, a tender unraveling of falsehoods that sought to diminish what is inherently sacred.

For generations, the nuanced patterns of coils, curls, and waves carried not only the story of biological adaptation but also the weighty projections of an erroneous “science.” The careful tending of Black and mixed-race hair, rich with traditional practices passed through whispering hands, stood as an enduring testament to a wisdom that predated and defied these imposed definitions. Every braid, every twist, every gentle application of an ancestral oil represented a defiant affirmation of inherent beauty, a silent act of preserving a heritage that the prevailing societal narratives sought to erase.

Today, as we recognize hair’s true biological diversity, freed from the strictures of a fabricated hierarchy, we find ourselves at a moment of profound reconnection. The understanding that variations in hair morphology are a testament to human adaptability, to the ingenious ways our bodies respond to environments, rather than a grading of human worth, allows us to look upon each strand with a renewed sense of wonder. The resilience of textured hair, so often misunderstood or maligned by the historical currents of Scientific Racism History, is a potent metaphor for the resilience of the communities from which it springs.

This reflection calls us to honor the wisdom of those who, through generations, instinctively understood their hair as an extension of their spirit, their lineage, and their vibrant cultural identity. It compels us to nurture future generations with this knowledge, ensuring that the legacy of care, self-acceptance, and profound connection to ancestral practices continues to unfurl, unbound by the shadows of a prejudiced past. The soul of a strand, indeed, holds within it an entire archive of history, struggle, and triumphant self-love.

References

  • Boas, F. (1911). The Mind of Primitive Man. Macmillan.
  • Gould, S. J. (1981). The Mismeasure of Man. W. W. Norton & Company.
  • King, M. L. (1963). Strength to Love. Harper & Row.
  • Dabiri, E. (2020). Twisted ❉ The Tangled History of Black Hair. Dey Street Books.
  • Saini, A. (2019). Superior ❉ The Return of Race Science. Beacon Press.
  • Morton, S. G. (1839). Crania Americana ❉ Or, a Comparative View of the Skulls of Various Aboriginal Nations of North and South America. J. Dobson.
  • Nott, J. C. & Gliddon, G. R. (1854). Types of Mankind ❉ Or, Ethnological Researches, Based Upon the Ancient Monuments, Paintings, Sculptures, and Crania of Races, and Upon Their Natural, Geographical, Philological and Biblical History. J.B. Lippincott & Co.
  • Marks, J. (2017). Is Science Racist? Polity Press.
  • Golub, A. & Chen, A. (Eds.). (2017). Boasian Critiques of Race in The Nation. HAU Books.
  • Jackson, J. P. (2005). Science for Segregation ❉ Race, Law, and the Case against Brown v. Board of Education. NYU Press.

Glossary

scientific racism history

Scientific racism falsely categorized textured hair as inferior, yet ancestral practices and heritage continue to affirm its beauty and resilience.

ancestral wisdom

Meaning ❉ Ancestral Wisdom is the enduring, inherited knowledge of textured hair's biological needs, its cultural significance, and its holistic care.

scientific racism

Meaning ❉ Scientific Racism, within the realm of textured hair understanding, describes the historical misapplication of scientific methods to assert the biological inferiority of Black and mixed-race hair structures, often serving to justify discriminatory practices.

hair texture

Meaning ❉ Hair Texture is the inherent shape and curl pattern of a hair strand, profoundly reflecting its genetic heritage and cultural significance.

hair textures

Meaning ❉ Hair Textures: the inherent pattern and structure of hair, profoundly connected to cultural heritage and identity.

textured hair

Meaning ❉ Textured Hair, a living legacy, embodies ancestral wisdom and resilient identity, its coiled strands whispering stories of heritage and enduring beauty.

inherent beauty

Textured hair’s unique structure, prone to dryness and fragility, inherently demands plant compounds, a need deeply rooted in ancestral care traditions.

african hair

Meaning ❉ African Hair is a living cultural and biological legacy, signifying identity, resilience, and ancestral wisdom within textured hair heritage.

physical traits

Braiding traditions safeguarded textured hair by minimizing manipulation and providing a protective shield against environmental stressors, deeply rooted in ancestral heritage.

racism history

Scientific racism falsely categorized textured hair as inferior, yet ancestral practices and heritage continue to affirm its beauty and resilience.

pseudo-science

Meaning ❉ Pseudo-science, when viewed through the lens of caring for textured hair, refers to claims or practices presented as scientifically sound, yet lacking verifiable evidence or a basis in established hair biology.

hair morphology

Meaning ❉ Hair Morphology is the study of hair's physical form and structure, understood through its deep heritage in textured hair communities and validated by science.