What is the biological basis for oiling textured hair?

Roots

The story of oiling textured hair reaches back through generations, a silent language spoken across continents and through time. It is a dialogue between ancestral wisdom and the inherent biological makeup of hair, a conversation that reveals not merely a practice of beauty but a profound act of care, connection, and resilience. For those whose lineage winds through the rich soil of Africa and its diaspora, the ritual of anointing hair with oils is more than superficial adornment; it is a testament to survival, an unbroken thread linking past to present, echoing the enduring spirit of textured hair heritage. We consider how this ancient practice finds its grounding in the very structure of textured hair, a dance between science and soul that has been passed down through countless hands.

The Architecture of Textured Hair and Oil’s Embrace

To truly comprehend the deep purpose behind oiling textured hair, one must first appreciate the singular architecture of these strands. Unlike straight hair, which tends to have a more uniform, circular cross-section, textured hair — encompassing waves, curls, coils, and kinks — emerges from its follicle in an elliptical or flattened shape. This distinct geometry gives rise to the characteristic bends and twists along the hair shaft. These twists, while creating unparalleled beauty and volume, also present a biological challenge ❉ the natural sebum, or oil, produced by the scalp’s sebaceous glands, finds its journey down the spiraling strand more arduous.

Sebum, a protective lipid mixture, acts as a natural conditioner, a shield against environmental elements, and a sealant for moisture. In straight hair, sebum glides with relative ease from root to tip, offering continuous lubrication. For textured hair, however, the coiled path impedes this natural flow, often leaving the ends of the hair drier and more vulnerable to environmental factors and breakage.

The cuticle, the outermost layer of the hair shaft, composed of overlapping scales, also plays a significant role. In textured hair, these cuticle scales tend to be more lifted or raised, particularly at the curves of the strand. This open structure, while contributing to the hair’s ability to absorb moisture, also means that moisture can escape more readily.

This inherent predisposition to dryness makes external lubrication, historically provided by oils and butters, not merely beneficial but often a biological necessity for maintaining the hair’s integrity and flexibility. The historical practice of oiling, therefore, was not simply a cultural preference; it was a pragmatic response to the biological realities of textured hair in diverse climates.

The very form of textured hair, with its unique bends and lifted cuticles, creates a natural inclination towards dryness, making external lubrication a biological imperative for its health and strength.

Ancestral Wisdom and Hair’s Natural Veil

The recognition of hair’s needs through the application of oils is a testament to ancestral observation and ingenuity. Before modern science could dissect the lipid layers or analyze cuticle patterns, communities across Africa and the diaspora understood the inherent characteristics of their hair. They observed its tendency towards dryness, its need for protection against harsh sun, arid winds, or even the friction of daily life.

The solutions they found were often derived from the very earth they walked upon, a symphony of natural ingredients passed down through oral traditions and hands-on teaching. These practices formed a living lexicon of care, each ingredient chosen for its perceived properties, honed over centuries of trial and collective knowledge.

The practice of oiling was a form of preventative care, a means to mitigate breakage and preserve length, which held immense cultural value. Length was not just an aesthetic; it could signify age, wisdom, status, or even a connection to spiritual realms. The deliberate application of oils became a way to honor the hair as a sacred extension of self, a visible marker of identity and communal belonging.

What is the Biological Purpose of Sebum for Textured Hair?

Sebum, the scalp’s natural oil, is a complex lipid mixture that plays a protective and conditioning role for all hair types. For textured hair, its biological purpose is particularly pronounced, even if its distribution is challenged. Sebum acts as a natural sealant, forming a hydrophobic layer on the hair surface that helps to prevent excessive water loss from the hair shaft.

This is critical for textured hair, which tends to be more porous due to its lifted cuticle scales. A healthy sebum layer also provides a barrier against environmental aggressors like wind, sun, and pollutants, which can otherwise dehydrate and damage the hair.

Moreover, sebum contributes to the hair’s pliability and sheen. It helps to lubricate the strands, reducing friction between individual hairs and minimizing tangling and breakage during manipulation. While the journey of sebum from the scalp to the ends of coiled strands is often incomplete, its presence at the root and along the initial length of the hair provides vital protection and nourishment to the nascent hair fiber.

The natural oil helps to maintain the scalp’s microbiome balance, preventing dryness, itching, and potential scalp conditions. Therefore, while its distribution is unique, the biological purpose of sebum for textured hair is to offer a natural defense, a conditioning agent, and a contributor to overall hair and scalp vitality.

Ritual

Stepping from the foundational understanding of textured hair’s biology, we now consider the enduring rituals that have shaped its care, particularly the profound place of oiling. This is not a mere application of product; it is a practice steeped in intention, a tender act of self-preservation and communal connection passed through the ages. The evolution of these practices, from ancient remedies to modern formulations, reflects a continuous dialogue with hair’s inherent needs and the cultural landscapes it inhabits. It is a journey into the applied knowledge of our forebears, whose wisdom continues to guide our hands in nurturing these crowns.

Ancestral Handwork and the Oil Application

For centuries, the application of oils to textured hair has been a cornerstone of care across African communities and among people of African descent worldwide. This practice was often a communal event, a moment of bonding between mothers and daughters, sisters, and friends. The hands that applied the oils were not just tending to hair; they were transmitting knowledge, affection, and cultural continuity. This shared experience underscored the importance of hair as a site of identity and belonging.

The Yoruba people, for example, considered hair the most elevated part of the body, with intricate styles and oiling rituals sending messages to the gods. This highlights how deeply interwoven hair care was with spiritual and social life.

Traditional methods of oiling often involved warming the oils, sometimes infusing them with herbs or other botanical ingredients. This warmth aided in the oil’s distribution and enhanced the absorption of beneficial compounds. The massage that accompanied oil application was not just for the hair; it stimulated the scalp, promoting circulation and creating a sense of well-being. This holistic approach recognized the scalp as the foundation for healthy hair, a wisdom now validated by modern dermatological understanding.

The ancestral practice of oiling textured hair, often a communal act, transcended mere beauty, serving as a powerful conduit for cultural transmission and the sustenance of hair’s inherent vitality.

What Traditional Ingredients Supported Hair Health?

The bounty of the African continent provided a wealth of natural ingredients that formed the basis of traditional hair care, with many offering properties that align with modern scientific understanding of hair health. These ingredients were selected through generations of observation and collective experience, each contributing to the overall well-being of textured hair.

• Shea Butter ❉ Extracted from the nuts of the shea tree, this rich butter was (and remains) a staple across West Africa. Its high content of fatty acids and vitamins A and E provided exceptional moisturizing and sealing properties, creating a protective barrier against environmental dryness and preventing breakage.
• Marula Oil ❉ From Southern Africa, this lightweight oil, often called “liquid gold,” is rich in antioxidants and fatty acids. It offered protection against dryness and breakage while leaving hair soft and lustrous.
• Castor Oil ❉ Widely used across Africa and in ancient Egypt, castor oil was valued for its ability to promote hair growth and strength. Its thick consistency made it an excellent sealant and conditioning agent.
• Baobab Oil ❉ Derived from the seeds of the iconic baobab tree, this oil is known for its nourishing properties, contributing to hair elasticity and softness.
• African Black Soap ❉ While primarily a cleanser, traditional black soap, often made from shea butter and plantain ash, provided a gentle wash that cleansed the hair and scalp without stripping too much of their natural oils, setting the stage for effective oiling.
• Chebe Powder ❉ Originating from Chad, this blend of herbs, often mixed with oils or animal fats, is used by the Basara women for length retention. It works by coating the hair strands, helping to maintain moisture between washes and reducing breakage.

These ingredients, often used in combination or infused with other botanicals, reflect a deep connection to the natural world and a sophisticated understanding of how to protect and nourish textured hair in diverse climates. The effectiveness of these traditional remedies is now, in many cases, supported by contemporary scientific analysis, underscoring the authority of ancestral knowledge.

Oiling in Protective Styles and Historical Context

The application of oils was intrinsically linked to the practice of protective styling, a cornerstone of textured hair care heritage. Styles like braids, twists, and cornrows, with origins dating back thousands of years in ancient Africa, were not merely aesthetic choices. They served a vital function ❉ to shield the hair from environmental damage, minimize manipulation, and promote length retention.

In pre-colonial Africa, these intricate styles conveyed social status, tribal affiliation, age, and even marital status. The meticulous process of creating them often involved washing, oiling, braiding, and decorating the hair, serving as a social opportunity for communal bonding. When enslaved Africans were forcibly removed from their homelands, they lost access to many traditional tools and oils, yet the practice of braiding persisted, often as a quiet act of resistance and a means of preserving cultural identity. Some historical accounts even describe enslaved people weaving seeds and grains into their braids for sustenance or using braid patterns as maps for escape routes, highlighting the profound practical and symbolic role of hair and its care.

Even in the face of immense hardship and the imposition of Eurocentric beauty standards, the knowledge of oiling and protective styling endured. While some resorted to harsh straightening methods, others continued to adapt traditional practices, often using whatever natural emollients were available to maintain their hair’s health and appearance. The legacy of these practices is evident today in the continued reliance on oils and protective styles within the Black and mixed-race communities, a testament to the resilience of heritage and the wisdom embedded in these timeless rituals.

Relay

As we trace the lineage of textured hair care, we arrive at a pivotal juncture where the wisdom of generations meets the precision of modern inquiry. The question of oiling textured hair extends beyond mere historical practice; it compels us to consider its enduring relevance in shaping cultural narratives and informing future hair traditions. This segment invites a deeper consideration, where the biological intricacies of hair converge with the expansive canvas of cultural identity, revealing the profound interplay that has sustained textured hair heritage through time.

How Does Hair Porosity Affect Oil Absorption?

The effectiveness of oiling textured hair is intricately linked to its porosity, a biological characteristic that refers to the hair’s ability to absorb and retain moisture. Textured hair, particularly tightly coiled or kinky strands, often exhibits higher porosity due to the naturally lifted cuticle scales along its shaft. When cuticles are raised, the hair shaft is more open, allowing water and other substances, including oils, to enter more readily. However, this openness also means that moisture can escape just as easily, leading to dryness if not properly sealed.

Oils function as emollients and sealants. For highly porous textured hair, oils can help to fill the gaps in the lifted cuticle, smoothing the surface and creating a protective barrier that reduces moisture vapor absorption from the atmosphere and minimizes water loss from within the hair fiber. A study published in the journal Cosmetics revealed that while oils like coconut, avocado, and argan can penetrate textured hair, their effect on hair strength varies based on hair type and whether the hair is virgin or bleached. The study highlighted that textured hair’s unique morphology, with its waves and twists, creates areas of varying density that affect how external molecules diffuse.

Interestingly, this research also pointed out that oil molecules were present in the cortical regions of bleached textured hair, with argan oil showing higher intensity. However, the mechanical testing showed limited improvements in hair strength, suggesting that while oils penetrate, they may not always deeply alter the hair cortex’s structural integrity in the same way they might in straight hair. This indicates that for textured hair, oils often serve more as a surface-level protective and lubricating agent, helping to manage moisture balance and reduce friction, rather than fundamentally changing the internal strength of the hair fiber.

The strategic application of oils, therefore, becomes a dance with the hair’s porosity. For those with high porosity, heavier oils or butters might be chosen to provide a more substantial seal, while those with lower porosity might prefer lighter oils to avoid product buildup. This nuanced understanding, though framed in modern scientific terms, echoes the intuitive adjustments made by ancestral practitioners who selected different plant-based emollients based on their hair’s response to environmental conditions and their unique needs.

The Interplay of Oils, Scalp Health, and Ancestral Practices

Beyond the hair strand itself, the biological basis for oiling textured hair extends profoundly to scalp health, a connection deeply revered in ancestral traditions. The scalp, the living foundation from which hair grows, requires a balanced environment for optimal hair growth and overall well-being. Sebum, produced by the sebaceous glands, plays a critical role in maintaining the scalp’s moisture levels and protecting it from external aggressions.

For textured hair, where sebum often struggles to reach the entire length of the hair, intentional oiling of the scalp helps to supplement this natural lubrication. This practice can soothe dryness, alleviate itching, and support a healthy scalp microbiome, thereby reducing the likelihood of common scalp issues such as flakiness or irritation. The ritual of scalp massage, often accompanying oil application in traditional practices, further enhances this benefit by stimulating blood flow to the hair follicles. Increased circulation delivers vital nutrients to the growing hair, potentially supporting healthier, stronger strands.

A compelling example of this deep-rooted understanding is found in the ancient Egyptian use of Castor Oil. Beyond its renowned benefits for hair growth and strength, Egyptians utilized castor oil for its nourishing properties, often infusing it with honey and other herbs to create potent hair masks. This practice was not just about superficial beauty; it was an act of preserving vitality and connection to a sacred aspect of self. Cleopatra herself was said to use castor oil to maintain her glossy, dark hair, underscoring its esteemed place in ancient beauty rituals.

This historical reliance on scalp oiling aligns with modern understanding of how a healthy scalp is paramount for hair health. When the scalp is well-conditioned and free from irritation, the hair follicles can function optimally, leading to better hair quality and reduced breakage. The ancestral wisdom of tending to the scalp with natural oils, therefore, finds a powerful echo in contemporary trichology, reinforcing the notion that true hair wellness begins at the root.

The global Black community has demonstrated remarkable ingenuity in adapting hair care practices across diverse climates and societal pressures, always preserving their cultural heritage.

What are the Chemical Properties of Oils That Benefit Textured Hair?

The beneficial effects of oils on textured hair are rooted in their chemical composition, primarily their fatty acid profiles and molecular structures. These properties determine how effectively an oil can penetrate the hair shaft, coat its surface, and interact with its proteins and lipids. Oils are generally hydrophobic, meaning they repel water, which is a key characteristic for their role in sealing moisture into the hair.

Different oils possess varying abilities to penetrate the hair fiber. For instance, Coconut Oil, with its high concentration of lauric acid (a small, straight-chain saturated fatty acid), has a molecular structure that allows it to penetrate the hair shaft more deeply than many other oils. This deep penetration can help to reduce protein loss from within the hair, particularly during washing, thereby contributing to the hair’s strength.

Other oils, like Argan Oil and Jojoba Oil, are known for their ability to coat the hair surface, providing a protective layer that minimizes moisture loss and enhances shine. Jojoba oil is particularly notable because its chemical structure closely mimics that of human sebum, making it highly compatible with the scalp’s natural oils. This similarity allows it to help balance scalp oil production and provide effective hydration without clogging pores, a property that has made it a valuable ingredient in Black beauty traditions as an act of resistance against Eurocentric beauty ideals.

The presence of unsaturated fatty acids in oils, while larger and less prone to deep penetration, contributes to their ability to form a flexible, conditioning film on the hair surface. This film can improve elasticity, reduce frizz, and provide a lubricating effect that eases detangling and reduces mechanical damage. The diverse array of natural oils used in ancestral hair care, from the rich butters to the lighter liquids, suggests an intuitive understanding of these varied chemical properties and their specific benefits for the unique needs of textured hair. This deep appreciation for the natural world’s offerings stands as a testament to the sophistication of traditional hair care knowledge.

Reflection

The exploration of oiling textured hair reveals a profound continuity, a living heritage that flows from ancient riverbanks to contemporary crowns. It is a testament to the ingenuity of our ancestors, whose discerning hands understood the whispers of the hair strand long before scientific instruments could quantify its porosity or analyze its lipid composition. This practice, woven into the very fabric of Black and mixed-race experiences, stands as a symbol of resilience, a quiet act of defiance against narratives that sought to diminish the inherent beauty of textured hair.

The enduring presence of oiling rituals reminds us that care is not just a routine; it is a legacy, a dialogue between generations, a sacred conversation with the self. Each drop of oil, each gentle stroke, connects us to a wisdom that celebrates our unique hair, its deep past, and its unbound future, affirming that the soul of a strand is indeed a living archive, continuously written and rewritten through acts of reverence and self-acceptance.

References

• A. A. (2021). No raw oils and butters vs. Traditional African hair care? ❉ r/Naturalhair. Reddit.
• Afriklens. (2024). Natural African Haircare ❉ Celebrating the Afro and Braids. Afriklens.
• Business Wire. (2021). Royal Oils and Gold Series Launch “Crowns of Heritage” Campaign to Help Black Families Connect with their African Roots. Business Wire.
• Carra. (2021). The Science of Textured Hair. Carra.
• Cécred. (2025). Understanding Hair Oiling ❉ History, Benefits & More. Cécred.
• Chatelaine. (2023). Hair Oiling Is More Than A Trend—It Connects Me To My South Asian Roots. Chatelaine.
• Cosmébio. (2024). Hydrating and Caring for Curly Textured Hair. Cosmébio.
• Davines Canada. (2024). Protect Your Tresses ❉ The Importance of Protective Hairstyles. Davines Canada.
• Etre Vous. (2022). Here’s why hair oiling is the ancient ritual worth adopting. Etre Vous.
• From Nature With Love. (n.d.). African Skin and Hair Care Ingredients. From Nature With Love.
• Global Beauty Secrets. (2022). Oil ❉ The ancient elixir of the East. Global Beauty Secrets.
• Global Beauty Secrets. (n.d.). Egyptian Honey and Castor Hair Oil. Global Beauty Secrets.
• Healthline. (n.d.). Essential Oils for Hair Health and Growth. Healthline.
• Katherine Haircare. (2025). This Homemade Afro Hair Product is 10x Better than Just Shea. Katherine Haircare.
• Kenra Professional. (2023). The History of Haircare ❉ How Past Practices Shape Modern Routines. Kenra Professional.
• L’Oréal Paris. (n.d.). What is Sebum on the Scalp & Hair?. L’Oréal Paris.
• MDPI. (2025). Penetration of Vegetable Oils into Textured Hair Fibers ❉ Integrating Molecular Matrix Assisted Laser Desorption Ioni-Zation Time-of-Flight Mass Spectroscopy (MALDI TOF/TOF MS) Analysis with Mechanical Measurements. MDPI.
• National Museum of American History. (n.d.). Hair Care. National Museum of American History.
• Oceane Avakian. (n.d.). THE IMPORTANCE OF SEBUM FOR YOUR SCALP. Oceane Avakian.
• OOF!. (2024). Hair Oiling for Your Hair Type ❉ Hair Oil for Growth, Frizz, and Hair Health. OOF!.
• Pinklungi.com. (2025). Kanta GC ❉ How Two Women in Gold Coast, Australia, Reclaimed Their Kerala Roots Through Ayurveda. Pinklungi.com.
• Reddit. (2025). oil treatment did not significantly improve tensile strength in textured hair. Reddit.
• ResearchGate. (2024). Effect of oil films on moisture vapor absorption on human hair. ResearchGate.
• ResearchGate. (2024). Investigation of penetration abilities of various oils into human hair fibers. ResearchGate.
• Sellox Blog. (2021). Ancient African Hair Growth Secrets For Healthy Hair. Sellox Blog.
• Shea Terra Organics. (n.d.). 100% Pure Egyptian Black Castor Extra Virgin Oil ORIGINAL. Shea Terra Organics.
• The Untold Story of Jojoba Oil in Black Beauty | BeautyMatter. (2025). BeautyMatter.
• Unlocking Ancient African Beauty Traditions ❉ A Tribute to Black History Month with Timeless Indigenous Ingredients for Radiant Skin and Hair. (2024).
• What Every Dermatologist Must Know About the History of Black Hair. (2023).
• Wikipedia. (n.d.). Protective hairstyle. Wikipedia.
• YorkSpace. (2021). Braided Archives ❉ Black hair as a site of diasporic transindividuation Océane Nyela A Thesis Submitted to the Faculty of Gradua. YorkSpace.