Roots

Across continents, the whispers of ancestral wisdom resonate, guiding us back to a time when hair care was not merely a routine, but a sacred dialogue with the earth. Long before the modern lexicon of serums and conditioners, communities with textured hair across the globe understood the intricate language of their strands, finding profound sustenance in the botanical and mineral gifts surrounding them. This journey into historical ingredients supporting textured hair health is a passage through generations, a deep breath into the collective memory of resilient beauty. It is an invitation to witness how our forebears, with an intuitive grasp of nature’s bounty, laid the very foundations for vibrant, flourishing hair, intertwining elemental biology with profound cultural reverence.

The very structure of textured hair, with its unique coiling and bending patterns, presents specific needs for moisture retention and strength. This biological reality, far from being a modern discovery, was intimately known and honored by ancient peoples. Their understanding, born from observation and sustained through communal practice, shaped their selection of ingredients.

The efficacy of these historical ingredients often stemmed from their ability to mimic the hair’s natural lipids, provide protein reinforcement, or create a protective barrier against environmental stressors. This knowledge, passed down through oral traditions and hands-on teaching, formed the bedrock of hair health, echoing from the source of human ingenuity and connection to the natural world.

The striking interplay of light and shadow across layered leaves mirrors the varied tones and rich textures within black hair. This composition invites reflection on ancestral knowledge and the potent botanical ingredients traditionally cherished for nourishing and supporting healthy coil definition and resilience

Hair Anatomy and Ancestral Understanding

The anatomy of textured hair, characterized by its elliptical follicle shape and a cuticle layer that often lifts more readily than straighter hair, predisposes it to moisture loss. This inherent characteristic, a biological blueprint, meant that hydration was a central concern for those seeking to maintain healthy coils and curls. Ancient communities, without the benefit of microscopes, perceived this through the tactile experience of hair, recognizing its thirst and its capacity for remarkable elasticity when adequately nourished.

They learned to interpret the signs of healthy hair: its bounce, its sheen, its ability to withstand styling without breakage. This deep observation informed their selection of emollients and humectants from their local environments.

Consider the widespread use of various oils and butters across Africa. The rich fatty acid profiles of ingredients like shea butter (Vitellaria paradoxa) in West Africa provided a natural sealant, protecting hair from the harsh sun and dry air. Similarly, in North Africa, argan oil (Argania spinosa) offered profound nourishment, its high content of essential fatty acids and vitamin E contributing to its ability to address dryness and frizz. These were not random choices; they were selections born of generations observing the interaction of these natural elements with their hair, seeing how they improved softness, manageability, and overall vitality.

The poignant black and white image invites reflection on heritage, innocence, and the inherent beauty found in textured hair formations, with the child’s steady stare, amplified by the contrasted afro and accenting flower, underscoring the significance of honoring diverse Black hair traditions and expressive styling from childhood.

Traditional Classifications and Their Cultural Roots

While modern hair classification systems often rely on numerical and alphabetical codes (like 3A, 4C), ancestral communities developed their own, often more holistic, ways of understanding hair types. These classifications were not merely about curl pattern but about hair’s behavior, its needs, and its cultural significance. The language used to describe hair was deeply interwoven with identity, social status, and spiritual beliefs.

For instance, in many West African societies, hair was an identifier, conveying a person’s age, religion, rank, marital status, and even family groups. The texture itself, the density, the length ❉ all played a part in this unspoken language.

Traditional terms for hair and its care were often rooted in local languages, reflecting the specific botanical resources available and the communal practices surrounding hair. These terms were not just descriptive; they carried the weight of cultural legacy and shared experience. The very act of naming an ingredient or a style was an act of preserving heritage.

Ancient wisdom, rooted in direct observation of hair’s inherent thirst, guided ancestral communities in selecting natural ingredients that profoundly nurtured textured strands across diverse climates.
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

Elemental Lexicon of Textured Hair Heritage

The historical lexicon of textured hair care is a rich tapestry woven from the names of plants, minerals, and animal products. These were the fundamental building blocks of ancestral regimens. Understanding these terms is to understand the ingenuity of our forebears.

  • Shea Butter ❉ A cornerstone of West African hair care for centuries, valued for its moisturizing and protective properties against environmental damage. Its fatty acids and vitamins contribute to soft, hydrated, and manageable hair.
  • Castor Oil ❉ A staple in ancient Egyptian hair care, used for conditioning, strengthening, and promoting growth, often mixed with honey and herbs. Its moisturizing properties were recognized for centuries.
  • Amla (Indian Gooseberry): A central ingredient in Ayurvedic hair care in India, used to nourish the scalp, strengthen hair, and prevent premature graying. It is rich in antioxidants and vitamin C.
  • Chebe Powder ❉ Originating from the Basara Arab women of Chad, a mix of herbs, seeds, and plants like Lavender Croton, Mahllaba Soubiane, cloves, resin, and stone scent. It aids in length retention by preventing breakage and locking in moisture, especially for coily hair.
  • Yucca Root ❉ Used by Native American tribes as a natural shampoo, containing saponins that create a gentle lather. It cleanses without stripping natural oils, maintaining strength and shine.

The recognition of these ingredients was often linked to observing their effects on hair growth cycles. While not articulated in modern scientific terms, ancestral practices understood that a healthy scalp was the precursor to healthy hair. Ingredients with anti-inflammatory or antimicrobial properties, such as neem oil in India or certain clays, were likely chosen for their ability to soothe the scalp and address common concerns like flaking or irritation. This deep connection between scalp health and hair vitality was a guiding principle in many traditional care philosophies.

The ancestral knowledge of hair was not merely anecdotal; it was a cumulative science built on generations of trial, observation, and refinement. Each ingredient held a place in a complex system of care, reflecting a profound respect for the living strands and the heritage they carried.

Ritual

To truly comprehend the historical ingredients supporting textured hair health across continents, one must journey beyond mere substance and step into the rhythm of ritual. This section invites a deeper contemplation of how our ancestors, with a profound reverence for their strands, transformed raw materials into living practices ❉ daily acts, ceremonial preparations, and communal gatherings that shaped hair and spirit alike. Here, we explore the applied wisdom, the methods by which these ingredients were not just used, but honored, within the framework of ancestral and contemporary traditions. It is a space where the tactile experience of care meets the timeless flow of heritage, offering practical insights that resonate with the desire for mindful, effective hair practices today.

The techniques and tools employed alongside these historical ingredients were not arbitrary; they were extensions of a philosophy that viewed hair as a living, breathing entity deserving of thoughtful attention. From intricate braiding to ceremonial oiling, each action served a purpose: protection, beautification, or the conveyance of identity. The efficacy of an ingredient was often amplified by the method of its application, whether through gentle massage, patient detangling, or deliberate layering. These practices, often passed down through generations, reveal a sophisticated understanding of textured hair’s unique needs, a testament to the ingenuity of our forebears.

The quiet moment of detangling textured hair reflects a deeper commitment to holistic self-care practices rooted in honoring ancestral hair traditions, where each coil and spring is gently nurtured and celebrated, showcasing the beauty and resilience of Black hair.

Protective Styling Encyclopedia and Ancestral Roots

Protective styling, a cornerstone of textured hair care today, has roots stretching back millennia, serving as a shield against environmental damage and a canvas for cultural expression. Ancient communities understood that securing the hair, especially delicate ends, was vital for length retention and overall health. This practice was deeply intertwined with social structures and identity.

  • Braids and Cornrows ❉ Across Africa, braids and cornrows were not simply aesthetic choices; they conveyed age, marital status, tribal affiliation, and even served as maps for escape during the transatlantic slave trade. Ingredients like shea butter or palm oil were often worked into the hair during braiding to add moisture, lubrication, and hold.
  • Hair Threading ❉ Among the Yoruba people of Nigeria, hair threading, or “Irun Kiko,” was a practice dating back to the 15th century. This technique, which involves wrapping hair with thread, helped stretch and protect the hair, minimizing breakage and promoting length. Natural oils and butters were typically applied beforehand to prepare the hair.
  • Clay and Animal Fat Pastes ❉ The Himba tribe in Namibia famously uses a mixture of clay and cow fat to create a protective hair paste. This mixture shields hair from the sun and aids in detangling, showcasing a unique adaptation to their arid environment and a profound understanding of protective barriers.

These styles, coupled with the application of specific ingredients, speak to a deep understanding of textured hair’s vulnerability to manipulation and environmental exposure. The patience and communal effort involved in creating these styles also underscore the social fabric within which hair care rituals were embedded.

Handcrafted shea butter, infused with ancestral techniques, offers deep moisturization for 4c high porosity hair, promoting sebaceous balance care within black hair traditions, reinforcing connection between heritage and holistic care for natural hair, preserving ancestral wisdom for future generations' wellness.

Natural Styling and Definition Techniques

Beyond protective styles, ancestral communities also mastered techniques to define and enhance the natural beauty of textured hair. The goal was often to encourage the hair’s inherent curl or coil pattern, rather than alter it, using ingredients that provided moisture and light hold.

In Southeast Asia, particularly among the Yao women of Huangluo village in China, rice water has been used for centuries to rinse hair, contributing to its renowned length, strength, and luster. The practice involves rinsing hair with fermented rice water, rich in vitamins, minerals, and antioxidants, which are believed to strengthen the hair shaft and enhance shine. This tradition highlights a unique approach to hair definition and vitality, relying on a readily available staple.

Camellia seed oil, a legacy for textured hair wellness, embodies ancestral care and moisture. Its monochrome elegance connects historical beauty rituals to today's coil nourishing practices, an essential elixir reflecting Black and mixed-race hair narratives

Historical and Cultural Uses of Hair Enhancements

Beyond natural ingredients, the historical use of wigs and hair extensions also speaks to a long-standing desire for versatility and adornment, often tied to social standing and cultural identity. While modern extensions use synthetic materials or human hair, ancient counterparts often relied on natural fibers and ingenious attachment methods.

Ancient Egyptians, for example, were among the first to wear wigs as early as 2700 BCE. These wigs, sometimes adorned with gold and beads, served practical purposes like sun protection for shaved heads, but also symbolized sophistication and status. They were often crafted from human hair, plant fibers, or even wool, and held in place with beeswax and resin.

The application of oils like castor and almond oil would have prepared the natural hair underneath or the wig itself for styling and maintenance. This practice underscores a timeless human desire for aesthetic expression and protection, even in the absence of modern tools.

The historical use of ingredients was deeply entwined with specific cultural rituals, transforming simple substances into profound acts of care, protection, and identity expression.
Hands engage in the mindful preparation of a clay mask, a tradition rooted in holistic wellness, showcasing the commitment to natural treatments for nourishing textured hair patterns and promoting scalp health, enhancing ancestral hair care heritage.

Heat Styling and Historical Methods

While modern heat styling involves electrical tools, historical methods often relied on indirect heat or tension to achieve desired looks. The concept of altering hair texture for styling is not new, though the means have evolved considerably.

In some West African traditions, hair threading, mentioned earlier, used tension to stretch hair, creating a straightened or elongated appearance without direct heat. This method helped maintain hair’s integrity while achieving diverse styles. Similarly, in some ancient contexts, hair could be set using natural resins or plant extracts that would harden and hold a style, then softened with oils for removal. The priority was often hair health and longevity, recognizing that excessive manipulation could compromise the hair’s structure.

The focused examination of spiraled textured hair in this image evokes the deep connection between self-care, heritage, and the deliberate art of nurturing ancestral hair patterns emphasizing the importance of thoughtful hair practices and highlighting the inherent beauty found within textured hair.

The Complete Textured Hair Toolkit of the Past

The tools used in conjunction with historical ingredients were as varied and ingenious as the ingredients themselves. These were not mass-produced items but often handcrafted implements, deeply connected to the communities that used them.

  • Combs ❉ Carved from bone, shell, horn, antler, or wood, sometimes adorned with intricate designs depicting animals or people. These were essential for detangling and distributing oils.
  • Hair Brushes ❉ Porcupine tail bones with quills attached served as brushes in some Native American tribes.
  • Hair Pins and Ornaments ❉ Made from ivory, beads, cowrie shells, gold, silver, pearls, and jewels, used for adornment and to secure styles.
  • Gourds and Clay Pots ❉ Used for mixing ingredients, storing oils, and preparing herbal infusions.
  • Fingers and Hands ❉ The most universal and essential tools, used for applying products, detangling, and styling, often accompanied by communal bonding rituals.

The continuity of these practices, even as new technologies emerge, speaks to the enduring wisdom embedded in ancestral hair care. The ritual of preparation, application, and adornment, steeped in the knowledge of natural ingredients, remains a powerful connection to our shared heritage.

Relay

We turn now to the profound currents that carry the essence of textured hair care through generations, a relay of wisdom that shapes identity and cultural expression. This section invites us to delve into the intricate dance where historical ingredients meet contemporary understanding, where the echoes of ancestral practices inform our modern quest for holistic hair wellness. Here, the narrative deepens, exploring how the legacy of ‘What historical ingredients supported textured hair health across continents?’ is not a static archive, but a living, breathing influence on present and future hair traditions. It is a space where science, culture, and the profound heritage of textured hair converge, revealing the enduring power of ancient remedies and their continued relevance in a world constantly seeking balance and authenticity.

The resilience of textured hair, often subjected to environmental challenges and historical adversities, has been sustained by a collective memory of effective care. This resilience is not solely biological; it is deeply rooted in cultural practices that prioritize hair health as a reflection of inner vitality and communal identity. The ingredients discussed earlier were not merely topical applications; they were integrated into a broader wellness philosophy, connecting physical care with spiritual well-being. This interconnectedness is a defining characteristic of textured hair heritage, offering a powerful counter-narrative to reductive beauty standards.

The monochrome gradient and ash-like texture symbolize resilience, echoing the strength of tightly coiled hair and diverse textured hair narratives. Each grain mirrors individual ancestral strands woven into a rich tapestry, a testament to the timeless heritage of natural texture and formations

Building Personalized Textured Hair Regimens: Ancestral Wisdom and Modern Science

The creation of a personalized hair regimen today can draw deep inspiration from ancestral practices, which inherently understood individual needs. Ancient hair care was rarely a one-size-fits-all approach; it adapted to local climates, available resources, and specific hair characteristics. This historical adaptability offers a powerful lesson for modern routines.

Consider the principles of Ayurveda, the ancient Indian system of medicine, which views hair health as an aspect of overall bodily balance. Ayurvedic practices emphasize tailoring treatments to individual “doshas” or constitutional types, applying ingredients like amla, bhringraj, and coconut oil through scalp massages to stimulate growth and improve health. This holistic approach, documented in texts like the Charaka Samhita, reflects a nuanced understanding of internal and external factors influencing hair. Modern science now validates many of these traditional ingredients, confirming their antioxidant, anti-inflammatory, and moisturizing properties, thus bridging ancient wisdom with contemporary understanding.

Eloquent advocacy meets natural hair excellence in this monochrome study, showcasing defined coils, high-density hair, and cultural heritage. The subject's confident expression is accentuated by the healthy hair strands, deeply rooted in ancestral knowledge and holistic care for sebaceous balance

The Nighttime Sanctuary: Essential Sleep Protection and Bonnet Wisdom

The protection of textured hair during sleep is a practice with deep historical roots, long predating the commercialization of satin bonnets. Ancestral communities recognized the vulnerability of hair to friction and moisture loss overnight, developing ingenious methods to preserve its integrity.

In many African and diasporic communities, head coverings were not only for daytime adornment or spiritual observance but also served a crucial protective function during sleep. Materials like silk or finely woven natural fibers would have been used to wrap or cover hair, minimizing tangling, breakage, and the absorption of moisture by coarser fabrics. This simple yet profound practice allowed the oils and treatments applied during the day to remain on the hair, conditioning it through the night.

The modern satin bonnet, therefore, is not a new invention, but a continuation of an ancestral wisdom tradition, adapting materials for contemporary comfort and accessibility. This continuity underscores the enduring relevance of these seemingly small acts of care in preserving hair health and heritage.

The historical wisdom of textured hair care, particularly in protective nighttime rituals, reveals a profound, enduring understanding of hair’s delicate nature, a legacy continued in modern practices.
The intimate portrait celebrates ancestral heritage through intentional hair care, a woman lovingly coats her intensely coiled textured hair with a nourishing hair mask. A self-care ritual honoring the legacy of Black hair traditions, showcasing the commitment to healthy, expressive styling with holistic products

Ingredient Deep Dives for Textured Hair Needs

The power of historical ingredients lies in their chemical composition, often rich in compounds that address the specific needs of textured hair. Let us delve deeper into a few exemplary ingredients:

Chebe Powder ❉ This unique blend from Chad, traditionally used by the Basara Arab women, works primarily by coating the hair shaft, preventing moisture loss and breakage. Its components, including Croton zambesicus and Mahllaba Soubiane, are believed to create a protective barrier that allows hair to retain length. This is particularly vital for highly textured hair, which is prone to dryness and breakage due to its structural characteristics. The Basara women’s tradition of applying this powder mixed with oils or butters to damp, sectioned hair, and leaving it in for days, demonstrates a deep, practical understanding of sustained conditioning and protection for long, healthy hair.

Castor Oil ❉ Widely used in ancient Egypt and later across the African diaspora, this thick oil is rich in ricinoleic acid, a unique fatty acid. This compound gives castor oil its emollient properties, allowing it to coat the hair shaft, seal in moisture, and provide a protective layer. Its historical use for promoting hair growth and strengthening strands, as seen in ancient Egyptian rituals, speaks to its ability to nourish the scalp and hair. Modern research suggests its potential to improve hair elasticity and reduce breakage.

Henna (Lawsonia inermis): Beyond its well-known use as a natural dye in the Middle East and South Asia, henna has been cherished for centuries as a hair conditioner and strengthener. Its tannins bind to the keratin in hair, forming a protective layer that reduces breakage and enhances shine. It also possesses cooling properties that can soothe the scalp and address concerns like dandruff. The traditional practice of mixing henna with ingredients like yogurt or tea to create nourishing masks underscores its multi-functional role in historical hair care.

A grayscale exploration of lemon anatomy evokes natural parallels with textured hair its innate architecture, care methods and ancestry. These slices represent botanical elements traditionally used in nourishing rituals, a link between holistic wellness and deeply rooted heritage

Textured Hair Problem Solving Compendium

Ancestral communities developed a wealth of remedies for common textured hair concerns, often drawing upon their deep knowledge of local botanicals. These solutions were practical, accessible, and often holistic.

  1. Dryness and Brittleness ❉ The primary concern for textured hair was addressed through consistent oiling and buttering. Ingredients like shea butter, coconut oil, olive oil, and argan oil were applied regularly to seal in moisture and provide a protective barrier. The Himba tribe’s use of clay and cow fat also served this purpose.
  2. Scalp Irritation and Dandruff ❉ Herbal infusions and plant extracts with antiseptic and anti-inflammatory properties were common. Neem oil and turmeric in India, sage and cedarwood oil in Native American traditions, and even certain clays or ashes, were used to cleanse and soothe the scalp.
  3. Breakage and Thinning ❉ Ingredients believed to strengthen hair and stimulate growth were highly valued. Castor oil, amla, bhringraj, and chebe powder were used to fortify strands and reduce loss. The use of saw palmetto by some Native American tribes to strengthen hair and address scaly scalp, even possessing properties that suppress hormones causing baldness, represents a remarkable ancestral insight.
This black and white study captures the intricate details of shea nuts, revered in African ancestral traditions, emphasizing their potential to hydrate and rejuvenate textured hair, celebrating the beauty and resilience of coil formations while drawing on holistic ingredients from nature’s pharmacy.

Holistic Influences on Hair Health

The connection between hair health and overall well-being was deeply understood in ancestral philosophies. Hair was often seen as a barometer of internal health and a spiritual conduit. This holistic view guided hair care practices, linking them to diet, emotional state, and communal harmony.

In many Indigenous cultures of North America, hair was considered a life force and a spiritual source of identity. Practices like washing hair with yucca root before a wedding or intertwining sweetgrass in braids were not just about cleanliness or aesthetics; they were ceremonial acts connecting individuals to Mother Earth and ancestral wisdom. The belief that longer hair held more knowledge and wisdom speaks to a profound respect for hair as an extension of spirit. This cultural lens meant that caring for hair was an act of self-reverence and a continuation of heritage, far exceeding mere cosmetic concerns.

The history of textured hair care is a testament to human ingenuity and the enduring power of ancestral knowledge. It is a relay of wisdom, carried through time by the hands that nurtured strands, the voices that shared remedies, and the spirits that found expression in the very fiber of their being.

Reflection

As we close this exploration of historical ingredients supporting textured hair health across continents, a powerful truth remains: the Soul of a Strand is inextricably bound to the lineage that nurtured it. The journey through ancient Egypt, the vibrant landscapes of Africa, the serene rituals of Asia, and the resourceful practices of the Americas reveals a universal reverence for hair, particularly textured hair, as a living archive of identity and resilience. These ancestral ingredients ❉ the nourishing oils, the protective butters, the fortifying herbs, the cleansing clays ❉ were not simply botanical curiosities. They were expressions of deep ecological understanding, communal wisdom, and an unwavering commitment to self-preservation in the face of diverse climates and challenging histories.

The legacy of textured hair heritage is a testament to the ingenuity of our forebears, who, with intuitive scientific acumen and profound cultural insight, discovered and refined practices that continue to resonate today. Their methods, passed down through the tender thread of generations, remind us that true hair wellness is not found in fleeting trends, but in a respectful dialogue with the earth and the wisdom it offers. To honor these historical ingredients is to honor the hands that harvested them, the communities that shared their secrets, and the countless strands that thrived under their care. It is to recognize that our hair, in its myriad forms, carries the unbound helix of a rich and enduring past, forever connecting us to the powerful story of where we come from.

References

  • Awosika, L. (2018). The African Hair Revolution: A Journey to Self-Acceptance. Independent Publisher.
  • Chopra, D. (1991). Perfect Health: The Complete Mind Body Guide. Harmony.
  • Gore, M. (2018). African American Hair: A History of Style, Culture, and Beauty. McFarland.
  • Jackson, A. (2001). Hair Story: Untangling the Roots of Black Hair in America. St. Martin’s Press.
  • Jalloh, S. B. (2017). Hair and Identity: A Historical and Cultural Exploration. Palgrave Macmillan.
  • Morrow, L. (2016). The Beauty of Dirty Skin: The Surprising Science of Looking and Feeling Your Best. Harper Wave.
  • Oyelere, A. (2019). The Natural Hair Handbook: A Guide to African Hair Care. CreateSpace Independent Publishing Platform.
  • Patel, S. (2017). Ayurvedic Hair Care: Ancient Wisdom for Modern Hair. Independently Published.
  • Sweet, L. (2007). Hair: A Cultural History. National Museum of Natural History.
  • Thornwell, A. (2017). The Hair Care Revolution: A Guide to Healthy, Natural Hair. Independently Published.

Glossary

Castor Oil Uses

Meaning ❉ Castor oil, a time-honored botanical ally, is recognized within textured hair understanding for its supportive role in encouraging a resilient environment for length retention and scalp wellness.

Textured Hair

Meaning ❉ Textured hair describes the natural hair structure characterized by its unique curl patterns, ranging from expansive waves to closely wound coils, a common trait across individuals of Black and mixed heritage.

Hair Combs History

Meaning ❉ The historical progression of hair combs, particularly within the context of textured hair, offers a foundational understanding for contemporary hair care.

African Hair Care

Meaning ❉ African Hair Care defines a specialized approach to preserving the vitality and structural integrity of textured hair, particularly for individuals of Black and mixed-race heritage.

Hair Care

Meaning ❉ Hair Care, when understood through the lens of textured hair, signifies a mindful discipline for preserving the vigor of coily, kinky, and wavy strands.

Hair Health

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

Black Hair History

Meaning ❉ Black Hair History represents the accumulated knowledge and evolving practices surrounding textured hair care and styling across generations and continents, particularly for Black and mixed-race individuals.

Hair Extensions History

Meaning ❉ The 'Hair Extensions History' gently unspools a chronicle of adornment and utility, extending far beyond contemporary trends to touch the very roots of human expression, particularly within the context of kinky, coily, and wavy textures.

Ancestral Wisdom

Meaning ❉ Ancestral Wisdom, for textured hair, represents the enduring knowledge and discerning observations gently passed through generations concerning the unique character of Black and mixed-race hair.

Ancestral Hair Wisdom

Meaning ❉ Ancestral Hair Wisdom refers to the inherited body of knowledge and observational insights passed through generations within Black and mixed-race communities, specifically regarding the unique characteristics and care of textured hair.