
Roots
In the vibrant realm of textured hair, each curl, coil, and wave carries an undeniable echo of time, a living archive whispered through generations. This is not merely about strands and scalp, for the fibers that grace our heads are bound by far more than biology; they are imbued with the weight of ages, the stories of survival, and the radiant spirit of collective identity. To understand the profound journey of textured hair care methods, we must listen closely to the echoes from the source, tracing paths etched by both the very structure of the hair itself and the ancestral wisdom that sought to honor it.
This is a story of how the physical reality of textured hair, its unique biology, has consistently intersected with human experience, shaping practices of profound cultural significance. It is a heritage that stands as a living testament to resilience, ingenuity, and beauty.

The Ancestral Understanding of Hair’s Design
Before the imposition of external narratives, indigenous African societies possessed a nuanced, empirical understanding of textured hair’s inherent nature. They recognized its varying patterns, its thirst for moisture, and its delicate strength. This intuitive comprehension was deeply embedded in daily life, informing traditional care long before microscopes revealed follicular structures.
Early approaches understood hair not as a uniform entity, but as a diverse landscape of forms, each requiring specific attention. This early wisdom laid the groundwork for sophisticated care methods that prioritized preservation and health, not alteration.
Hair anatomy, particularly for textured hair, distinguishes itself by the elliptical shape of its follicle. This oval-like opening in the scalp dictates the curl’s tightness and its tendency to coil upon itself. Such morphology creates points of weakness along the strand’s curvature, rendering it more susceptible to dryness and breakage compared to straight hair. Ancient African cultures, through generations of keen observation, developed practices that directly addressed these intrinsic characteristics.
They understood that these curls, while beautiful, needed gentle handling, consistent moisture, and protection from environmental aggressors. This foundational understanding, born from lived experience and communal knowledge, guided their choice of ingredients and their techniques of adornment and preservation.

How Did Pre-Colonial Societies Classify Hair Patterns?
The contemporary systems of hair classification, often numerical (e.g. 4C, 3B), represent a modern attempt to categorize texture, yet they carry historical baggage, sometimes overlooking the true diversity of hair patterns across Black and mixed-race people. In pre-colonial Africa, a person’s hair classification was far more fluid and integrated into their identity, signifying social status, age, tribe, religion, and even marital status.
Hairstyles themselves served as a visual language, conveying complex information about the wearer’s life. A braid pattern, a headwrap’s fold, or the presence of specific adornments could communicate volumes about a person’s lineage or current circumstances.
Hair, in its diverse forms, offered a profound statement of identity, communicating a person’s social standing, age, and communal bonds through intricate patterns and adornments.
Consider the Himba people of Namibia, renowned for their distinctive Otjize paste, a mixture of ochre, butterfat, and aromatic resin applied to their hair and skin. This practice extends beyond aesthetics; it serves as a protective barrier against the harsh climate, a symbol of fertility, and a marker of their cultural identity. This traditional application is a testament to how care methods were inextricably linked to environmental factors and communal identity, a far cry from the modern concept of hair type for product selection. Similarly, ancient Egyptians, with their sophisticated understanding of hair, used elaborate wigs and braided styles not merely for beauty but to signify wealth, religious devotion, and a connection to deities.

The Earliest Language of Hair Care
The lexicon surrounding textured hair has transformed across epochs, reflecting both shifts in perception and the resilience of traditional practices. In ancient African societies, words describing hair were often intertwined with spiritual significance, community ties, and life stages. The language conveyed reverence. However, the transatlantic slave trade and subsequent colonial periods introduced a dehumanizing vocabulary, stripping hair of its cultural meaning and redefining “good” hair as a proximity to European textures.
This period of forced assimilation led to terms such as “nappy,” originally a neutral descriptor for tightly coiled hair, becoming a derogatory label. The collective trauma associated with attempts to conform to Eurocentric beauty standards heavily influenced the language used to describe textured hair and, by extension, the desired outcomes of care methods. Terms for traditional care practices, like the Yoruba’s Irun Kiko for thread-wrapping, speak to a heritage of meticulous, ancestral techniques that predated and defied colonial impositions.
The original meaning of many ancestral hair terms spoke to the deep connection between hair and personhood. These terms were not about classification for commercial products, but about celebrating the hair as a living extension of identity. The very words chosen for care methods carried weight, reflecting a spiritual understanding of self and community, a language that Roothea seeks to reclaim and honor.

Ritual
The care of textured hair has always been a ritual, a tender act of tending to the self and a powerful declaration of heritage. From ancestral practices deeply rooted in communal bonding to the modern expressions of self-acceptance, the methods applied to textured hair are steeped in profound cultural meaning. This section delves into the intricate art and science of textured hair care, examining how historical currents have shaped styling techniques, the tools employed, and the very transformations individuals seek with their coils and curls.

Protective Styles as Living Heritage
Protective styles stand as a powerful symbol of ingenuity and resilience, their origins tracing back to ancient African civilizations. These styles, such as braids, twists, and locs, were not merely decorative; they served practical functions, safeguarding hair from environmental aggressors, simplifying daily maintenance, and indicating vital information about the wearer. In many pre-colonial societies, the intricate patterns woven into hair served as a visual language, communicating a person’s age, marital status, tribal affiliation, wealth, and social rank.
The transatlantic slave trade, though attempting to strip enslaved Africans of their identity, could not erase the knowledge of these protective styles. Instead, these practices became acts of resistance, a quiet defiance in the face of brutal dehumanization. Enslaved women, despite their harrowing circumstances, used cornrows to map escape routes or to hide seeds for survival, transforming their hair into a clandestine tool for freedom.
The communal act of braiding, often performed on Sundays, served as a cherished time for sharing stories, maintaining cultural continuity, and strengthening bonds within the enslaved community. This continuity speaks volumes about the enduring spirit of heritage.
Protective styles, born from necessity and cultural expression, became a quiet yet potent act of resistance, preserving identity and coded messages amidst forced displacement.
The wisdom embedded in protective styling extends to the care required for their longevity. Traditional methods often involved specific oils and butters to seal in moisture and prevent breakage, recognizing the fragile nature of coily textures. These practices continue to inform modern protective styling, where products are chosen to minimize tension and maximize hydration, honoring the ancestral blueprint of hair preservation.

From Ancient Tools to Modern Adaptation
The implements used for textured hair care have evolved from natural materials to sophisticated modern devices, yet the underlying principles often mirror ancestral innovations. Early African civilizations crafted combs from wood, ivory, and bone, designed with wide teeth to gently detangle and style dense textures. These tools were not just functional; they were often adorned, reflecting artistic expression and cultural significance. The evolution of these tools tells a parallel story of adaptation and resourcefulness.
During slavery, access to traditional tools and ingredients was severely limited, forcing enslaved individuals to improvise with what was available. They used rudimentary items like butter knives heated over fires for straightening or everyday fats and oils for moisture, highlighting a grim reality of survival. Despite these harsh conditions, the drive to care for one’s hair persisted, often communally, reinforcing social connections.
Today’s marketplace offers an array of tools, from specialized detangling brushes to various heat styling devices. However, a deeper understanding of hair heritage underscores the importance of gentleness and protection, echoing the wisdom of those who came before us. For instance, the traditional act of “threading” hair, known as Irun Kiko among the Yoruba people, used natural fibers or threads to stretch and elongate hair without heat, preparing it for styling or simply protecting it. This method offers a compelling historical counterpoint to modern heat application, reminding us of alternative, ancestrally informed approaches to manipulation.
| Tool Category Combs and Detanglers |
| Historical Application (Heritage Focus) Wide-toothed combs crafted from wood, bone, or ivory in ancient Africa, used for gentle detangling and precise parting for intricate braided styles. |
| Modern Parallel/Evolution Plastic or silicone wide-tooth combs, specialized detangling brushes with flexible bristles, designed to minimize breakage on wet or dry hair. |
| Tool Category Styling Aids |
| Historical Application (Heritage Focus) Plant fibers, gourds, or natural threads for "threading" (Irun Kiko) to stretch hair, create volume, or prepare for styling without heat. |
| Modern Parallel/Evolution Heatless curling rods, foam rollers, or stretch bands used for setting hair in waves or curls without thermal damage. |
| Tool Category Heat Application |
| Historical Application (Heritage Focus) Heated butter knives or flat metal objects used by enslaved people in the Americas to attempt straightening, a hazardous method born of assimilation pressures. |
| Modern Parallel/Evolution Electric hot combs, flat irons, and curling wands, with advancements in temperature control and ceramic/tourmaline coatings for safer application. |
| Tool Category Protective Coverings |
| Historical Application (Heritage Focus) Headwraps (like the Ghanaian Duku or Nigerian Gele) for daily wear, ceremonial occasions, or night protection, signifying status and preserving styles. |
| Modern Parallel/Evolution Silk or satin bonnets, scarves, and pillowcases used to reduce friction, retain moisture, and preserve hairstyles overnight. |
| Tool Category Understanding the lineage of hair tools reveals a continuous human quest to manage and adorn textured hair, from survival to self-expression. |

When Did Heat Styling Become Commonplace?
The story of heat styling for textured hair is deeply intertwined with societal pressures and the painful pursuit of assimilation. While ancient civilizations, including the Greeks and Romans, used heated tools for curling hair, the widespread adoption of thermal styling for textured hair, particularly straightening, gained momentum in the late 19th and early 20th centuries. This period coincided with intensified societal pressures for Black individuals to conform to Eurocentric beauty standards.
Innovations by Black entrepreneurs like Annie Turnbo Malone and Madam C.J. Walker, while building significant wealth and economic empowerment within Black communities, also contributed to the popularity of heat-based straightening. Madam C.J.
Walker’s development of the “pressing comb” (often called a “hot comb”) provided a more accessible and effective means to straighten hair than previous makeshift methods. These tools, along with chemical relaxers, offered a pathway for Black women to achieve the smooth, straightened styles that society deemed “acceptable” or “good” for professional and social advancement.
The cultural desire for straightened hair became a complex survival mechanism. It offered a perceived reduction in discrimination and an opportunity for social mobility, even if the methods were often harsh and damaging to the hair and scalp. The historical context of heat styling highlights a difficult balance ❉ the desire for self-expression meeting the rigid demands of a prejudiced society. Today, heat styling continues, but with a growing awareness of its potential damage and a renewed appreciation for natural textures, inspired by movements that honor ancestral beauty.

Relay
The current landscape of textured hair care stands as a testament to centuries of inherited wisdom and persistent adaptation. The journey from elemental biology to the complexities of modern methods is a relay race across time, where ancestral practices have been passed down, sometimes under duress, sometimes in celebration, but always with the purpose of nurturing and preserving. This section explores how historical factors continue to shape holistic care, the importance of nightly rituals, and how problem-solving approaches are rooted in a continuum of heritage and scientific insight.

Ancestral Blueprints for Daily Care
The foundations of textured hair regimens today find deep resonance in ancestral practices that prioritized the health and integrity of the strand. In pre-colonial African societies, hair care was a daily or weekly engagement, often a communal act that fostered social cohesion. These regimens were not driven by commercial product cycles but by an intimate understanding of the hair’s needs and the properties of local botanicals. Hair was consistently moisturized, cleansed with natural soaps, and adorned in styles that protected it from the elements.
The shift following the transatlantic slave trade disrupted these communal rituals and access to traditional ingredients. Enslaved people, stripped of their cultural context, were forced to improvise with what little was available, often using rudimentary substances like bacon grease or kerosene to manage their hair. Despite these severe limitations, the core principle of moisture retention and protection persisted, passed down through oral tradition and necessity.
This adaptability underscores a profound ancestral wisdom ❉ care, in its essence, is a continuous act of maintenance against challenges, whether environmental or systemic. Building a contemporary regimen today often involves revisiting these time-honored principles, recognizing the fundamental need for hydration and gentle manipulation that has sustained textured hair across generations.

Why Nighttime Care Holds Such Significance in Heritage?
The ritual of nighttime hair protection is a practice steeped in historical necessity and cultural reverence, particularly within Black and mixed-race communities. For centuries, head wraps and coverings served a dual purpose ❉ they preserved intricate hairstyles, often taking hours or even days to create, and they protected the hair from the elements, reducing tangling and moisture loss during sleep.
Beyond the practical, these coverings often carried significant cultural and spiritual meanings. In many African societies, headwraps indicated social status, marital standing, or religious affiliation. During the era of slavery, head coverings, though sometimes imposed as a marker of servitude, were ingeniously reclaimed as a symbol of identity and resistance. Enslaved women would use them to conceal hair that defied imposed standards or to hide intricate braids.
The very act of preparing hair for sleep became a quiet assertion of self-worth and a connection to ancestral traditions, even in oppressive circumstances. This profound historical context elevates the modern use of bonnets and silk pillowcases beyond mere convenience; they are an extension of a deeply rooted heritage of care, protection, and cultural affirmation. The wisdom of preserving one’s coils overnight resonates with the enduring legacy of those who meticulously cared for their hair against all odds.
Traditional nighttime practices varied across African regions, yet a common thread was the use of natural fibers for wrapping or protective styling. These materials minimized friction and moisture evaporation, ensuring hair remained soft and pliable for the next day. This ancestral knowledge of fabric choice directly influences the modern preference for silk and satin, which mimic the protective qualities of traditional wraps, safeguarding the hair’s delicate structure.
- Shea Butter ❉ A foundational ingredient from West Africa, historically used for its deeply moisturizing properties to seal in hydration and protect strands.
- Coconut Oil ❉ Widespread across tropical regions, valued for its ability to penetrate the hair shaft, providing nourishment and strengthening.
- African Black Soap ❉ Originating in West Africa, traditionally made from plantain skins, cocoa pods, and shea tree bark, used for gentle cleansing without stripping natural oils.
- Chebe Powder ❉ From the Basara Arab women of Chad, a finely ground mix of herbs renowned for promoting length retention and hair strength.

Problem Solving ❉ Ancient Remedies and Modern Solutions
Textured hair has unique characteristics, and historical factors have influenced the persistent issues faced and the solutions sought. Problems like dryness, breakage, and scalp irritation were common challenges across different eras. Historically, solutions were derived from local environments and ancestral knowledge of botanicals. Natural butters, oils, and herbal concoctions were the primary tools for addressing these concerns, focusing on nourishing the scalp and conditioning the hair itself.
The transatlantic slave trade, again, introduced immense disruption, making access to these traditional remedies scarce. Enslaved individuals often faced exacerbated hair and scalp issues due to harsh living and working conditions, combined with limited access to appropriate care. This period saw a desperate reliance on whatever substances could be found, even those detrimental to hair health, purely out of necessity.
The post-emancipation era and the subsequent drive for assimilation brought new challenges, as chemical straighteners and harsh hot combs, while offering a semblance of societal acceptance, often led to severe damage, scalp burns, and hair loss. This era fostered a new set of problems, born from attempts to alter the hair’s natural state. The Black hair care industry, pioneered by figures like Annie Turnbo Malone and Madam C.J. Walker, initially offered products that included straighteners, but also emphasized hair health, marking a complex chapter in problem-solving.
Today, the quest for healthy textured hair continues, often integrating scientific understanding with ancestral wisdom. Modern formulations aim to provide deep hydration, gentle cleansing, and targeted treatments, building upon centuries of trial and collective experience. The resilience witnessed in historical problem-solving, adapting to new circumstances while striving for hair health, continues to shape the contemporary approach to textured hair care, a testament to enduring heritage.
A striking example of how historical factors shaped textured hair care methods through problem-solving can be observed during the period of American slavery. With forced migration and oppressive conditions, enslaved Africans lost access to the traditional, nourishing plant-based ingredients and communal grooming rituals of their homelands. Faced with breakage, dryness, and scalp ailments from harsh labor and lack of resources, they innovated with what little was available. This led to practices like using Kerosene, Butter, or Bacon Grease to condition and detangle hair.
As Sarah Heaton references Diane Simon, author of Hair ❉ Public, Political, Extremely Personal, enslaved Africans also ingeniously used materials like soap and broken glass to shape hair patterns. These methods, though crude and often damaging by modern standards, represent an extreme adaptation to solve pressing hair challenges under duress, a testament to survival and the deep human desire to maintain a semblance of self and heritage, even when stripped of all else.

Relay
The current landscape of textured hair care stands as a testament to centuries of inherited wisdom and persistent adaptation. The journey from elemental biology to the complexities of modern methods is a relay race across time, where ancestral practices have been passed down, sometimes under duress, sometimes in celebration, but always with the purpose of nurturing and preserving. This section explores how historical factors continue to shape holistic care, the importance of nightly rituals, and how problem-solving approaches are rooted in a continuum of heritage and scientific insight.

Ancestral Blueprints for Daily Care
The foundations of textured hair regimens today find deep resonance in ancestral practices that prioritized the health and integrity of the strand. In pre-colonial African societies, hair care was a daily or weekly engagement, often a communal act that fostered social cohesion. These regimens were not driven by commercial product cycles but by an intimate understanding of the hair’s needs and the properties of local botanicals. Hair was consistently moisturized, cleansed with natural soaps, and adorned in styles that protected it from the elements.
The shift following the transatlantic slave trade disrupted these communal rituals and access to traditional ingredients. Enslaved people, stripped of their cultural context, were forced to improvise with what little was available, often using rudimentary substances like bacon grease or kerosene to manage their hair. Despite these severe limitations, the core principle of moisture retention and protection persisted, passed down through oral tradition and necessity.
This adaptability underscores a profound ancestral wisdom ❉ care, in its essence, is a continuous act of maintenance against challenges, whether environmental or systemic. Building a contemporary regimen today often involves revisiting these time-honored principles, recognizing the fundamental need for hydration and gentle manipulation that has sustained textured hair across generations.

Why Nighttime Care Holds Such Significance in Heritage?
The ritual of nighttime hair protection is a practice steeped in historical necessity and cultural reverence, particularly within Black and mixed-race communities. For centuries, head wraps and coverings served a dual purpose ❉ they preserved intricate hairstyles, often taking hours or even days to create, and they protected the hair from the elements, reducing tangling and moisture loss during sleep.
Beyond the practical, these coverings often carried significant cultural and spiritual meanings. In many African societies, headwraps indicated social status, marital standing, or religious affiliation. During the era of slavery, head coverings, though sometimes imposed as a marker of servitude, were ingeniously reclaimed as a symbol of identity and resistance. Enslaved women would use them to conceal hair that defied imposed standards or to hide intricate braids.
The very act of preparing hair for sleep became a quiet assertion of self-worth and a connection to ancestral traditions, even in oppressive circumstances. This profound historical context elevates the modern use of bonnets and silk pillowcases beyond mere convenience; they are an extension of a deeply rooted heritage of care, protection, and cultural affirmation. The wisdom of preserving one’s coils overnight resonates with the enduring legacy of those who meticulously cared for their hair against all odds.
Traditional nighttime practices varied across African regions, yet a common thread was the use of natural fibers for wrapping or protective styling. These materials minimized friction and moisture evaporation, ensuring hair remained soft and pliable for the next day. This ancestral knowledge of fabric choice directly influences the modern preference for silk and satin, which mimic the protective qualities of traditional wraps, safeguarding the hair’s delicate structure.
- Shea Butter ❉ A foundational ingredient from West Africa, historically used for its deeply moisturizing properties to seal in hydration and protect strands.
- Coconut Oil ❉ Widespread across tropical regions, valued for its ability to penetrate the hair shaft, providing nourishment and strengthening.
- African Black Soap ❉ Originating in West Africa, traditionally made from plantain skins, cocoa pods, and shea tree bark, used for gentle cleansing without stripping natural oils.
- Chebe Powder ❉ From the Basara Arab women of Chad, a finely ground mix of herbs renowned for promoting length retention and hair strength.

Problem Solving ❉ Ancient Remedies and Modern Solutions
Textured hair has unique characteristics, and historical factors have influenced the persistent issues faced and the solutions sought. Problems like dryness, breakage, and scalp irritation were common challenges across different eras. Historically, solutions were derived from local environments and ancestral knowledge of botanicals. Natural butters, oils, and herbal concoctions were the primary tools for addressing these concerns, focusing on nourishing the scalp and conditioning the hair itself.
The transatlantic slave trade, again, introduced immense disruption, making access to these traditional remedies scarce. Enslaved individuals often faced exacerbated hair and scalp issues due to harsh living and working conditions, combined with limited access to appropriate care. This period saw a desperate reliance on whatever substances could be found, even those detrimental to hair health, purely out of necessity.
The post-emancipation era and the subsequent drive for assimilation brought new challenges, as chemical straighteners and harsh hot combs, while offering a semblance of societal acceptance, often led to severe damage, scalp burns, and hair loss. This era fostered a new set of problems, born from attempts to alter the hair’s natural state. The Black hair care industry, pioneered by figures like Annie Turnbo Malone and Madam C.J. Walker, initially offered products that included straighteners, but also emphasized hair health, marking a complex chapter in problem-solving.
Today, the quest for healthy textured hair continues, often integrating scientific understanding with ancestral wisdom. Modern formulations aim to provide deep hydration, gentle cleansing, and targeted treatments, building upon centuries of trial and collective experience. The resilience witnessed in historical problem-solving, adapting to new circumstances while striving for hair health, continues to shape the contemporary approach to textured hair care, a testament to enduring heritage.
A striking example of how historical factors shaped textured hair care methods through problem-solving can be observed during the period of American slavery. With forced migration and oppressive conditions, enslaved Africans lost access to the traditional, nourishing plant-based ingredients and communal grooming rituals of their homelands. Faced with breakage, dryness, and scalp ailments from harsh labor and lack of resources, they innovated with what little was available. This led to practices like using Kerosene, Butter, or Bacon Grease to condition and detangle hair.
As Sarah Heaton references Diane Simon, author of Hair ❉ Public, Political, Extremely Personal, enslaved Africans also ingeniously used materials like soap and broken glass to shape hair patterns. These methods, though crude and often damaging by modern standards, represent an extreme adaptation to solve pressing hair challenges under duress, a testament to survival and the deep human desire to maintain a semblance of self and heritage, even when stripped of all else.

Reflection
Our journey through the historical forces that have shaped textured hair care methods reveals a truth both sobering and celebratory. From the ancient reverence for hair as a cultural compass to its brutal weaponization during slavery and colonialism, the story of textured hair is one of constant flux, yet unwavering spirit. Each curl, coil, and wave carries not just biological information but the indelible imprint of human experience – joy, sorrow, resistance, and triumph.
The legacy of textured hair care is a living archive, a testament to human ingenuity and an unyielding connection to roots. It speaks to the ancestral mothers and fathers who understood the delicate needs of textured strands, nurturing them with natural ingredients and intricate styles that communicated identity and community. It speaks to the resilience of enslaved individuals who, stripped of so much, clung to hair practices as a silent assertion of self and a coded language of liberation. It speaks to the generations who navigated societal pressures to conform, often at great personal cost, yet who also sparked movements to reclaim and redefine beauty on their own terms.
Today, as we seek to understand the very biology of our hair with scientific rigor, we find ourselves echoing the empirical observations of our ancestors. The modern emphasis on moisture retention, gentle detangling, and protective styling is not a new discovery; it is a rediscovery, a validation of knowledge passed down through generations. The contemporary natural hair movement, a powerful surge of self-acceptance and cultural pride, finds its historical lineage in every act of defiance against oppressive beauty standards, from the earliest cornrows woven in secret to the bold Afros of liberation movements.
Roothea’s ‘Soul of a Strand’ ethos acknowledges this profound continuum. It honors the wisdom of the past, understands the complexities of the present, and casts a luminous gaze towards the future, where textured hair is celebrated in all its diverse forms. We are not merely tending to hair; we are tending to history, to heritage, and to the living, breathing essence of who we are.
Our care methods are an ongoing dialogue with our ancestors, a promise to carry forward the lessons of resilience, self-love, and the inherent beauty of our unique strands. The journey of textured hair is far from over; it is a vibrant, evolving narrative, always rooted in the deep soil of heritage.
References
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- Jacobs-Huey, L. (2006). The New “Natural” ❉ Hair, Race, and Identity in the African Diaspora. Rutgers University Press.
- Mercer, K. (1994). Welcome to the Jungle ❉ New Positions in Cultural Studies. Routledge.
- Patton, T. (2006). Hair in African American Culture. Praeger.
- Rooks, N. (1996). Hair Raising ❉ Beauty, Culture, and African American Women. Rutgers University Press.
- Thompson, C. (2009). Black Women and Beauty Culture in 20th-Century America. Oxford Research Encyclopedia of American History.
- DuCille, A. (1996). The Coupling Convention ❉ Sex, Text, and the Black Woman in Literature. Oxford University Press.
- Walker, A. (1913). Madam Walker’s Wonderful Hair Grower. Indianapolis, IN ❉ Madam C.J. Walker Mfg. Co.
- Malone, A. T. (1918). Poro Preparations and the Poro System of Hair and Skin Culture. Poro College.
- Leach, E. (1958). Magical Hair. The Journal of the Royal Anthropological Institute of Great Britain and Ireland, 88(2), 147–164.
- White, W. (2018). Melanin Hair Care.
- Morgan, G. A. (1913). Hair Refining Cream. U.S. Patent No. 1,073,439.