
Fundamentals
The term “Relaxers” refers to a category of chemical formulations, predominantly alkaline in nature, meticulously designed to permanently alter the inherent curl pattern of textured hair, transforming its tight coils into a smoother, straighter configuration. This process, often referred to as chemical hair straightening, fundamentally reconfigures the hair’s protein structure. The significance of relaxers extends far beyond mere cosmetic alteration; for centuries, hair has been a profound emblem of identity, status, and community across African cultures and throughout the Black diaspora. The emergence and pervasive use of relaxers are inextricably interwoven with a complex historical narrative, particularly within Black and mixed-race hair experiences, reflecting societal pressures and evolving standards of beauty.
Understanding the basic definition of relaxers requires an acknowledgment of the hair’s natural composition. Hair strands are composed primarily of a protein called Keratin, structured by various bonds, among which Disulfide Bonds are crucial for defining curl. Relaxers operate by breaking these disulfide bonds, allowing the hair to be reshaped.
Once the bonds are broken, the hair is physically straightened, and new bonds are allowed to reform in this altered, elongated state. This chemical rearrangement renders the straightening permanent until new hair growth emerges from the scalp.

Chemical Foundations of Hair Straightening
At their most fundamental level, relaxers are powerful chemical agents that disrupt the natural order of the hair’s architecture. The primary ingredients in most traditional relaxers are strong alkalis, such as Sodium Hydroxide (often termed “lye” relaxers) or Calcium Hydroxide combined with Guanidine Carbonate (known as “no-lye” relaxers). These alkaline compounds raise the pH of the hair, causing the outer layer, the cuticle, to swell and open. This allows the active chemicals to penetrate the hair shaft and reach the cortex, where the disulfide bonds reside.
- Sodium Hydroxide (Lye) Relaxers ❉ These are typically stronger and faster-acting. They contain sodium hydroxide as the sole active ingredient, which directly breaks the disulfide bonds. While highly effective at straightening, they carry a greater risk of scalp burns and irritation if not applied with utmost care and precision.
- Calcium Hydroxide and Guanidine Carbonate (No-Lye) Relaxers ❉ These formulations are often perceived as gentler, though they still contain powerful chemicals. They create a relaxer when mixed, forming guanidine hydroxide, which then works on the disulfide bonds. The “no-lye” designation can be misleading, as these products still possess a high pH and can cause scalp irritation, often leaving calcium deposits that can dry out the hair.
- Thio Relaxers ❉ Less common for textured hair, these relaxers utilize ammonium thioglycolate. They operate differently, breaking fewer bonds initially and then neutralizing them, allowing for a broader range of curl reduction rather than complete straightening.
The application of these chemical agents requires a precise understanding of timing and hair condition, as improper use can lead to significant damage, including breakage, dryness, and scalp irritation. The careful balance between achieving the desired straightness and preserving the integrity of the hair and scalp has always been a central concern in the practice of chemical relaxing.
Relaxers chemically reconfigure the hair’s internal protein structure, transforming tight coils into a smoother, straighter form.

Early Historical Echoes of Hair Alteration
While chemical relaxers as we know them are products of modern chemistry, the intention behind altering hair texture has ancient roots within various cultures. Across pre-colonial Africa, hair was intricately linked to identity, status, and spiritual beliefs. Hairstyles communicated a person’s age, marital status, ethnic identity, wealth, and position within society.
Intricate braids, twists, and adornments were not merely aesthetic choices but visual languages of cultural heritage (Tharps, 2021). The pursuit of varied textures and styles through natural means, such as using oils, clays, and specific braiding techniques, was a testament to the ingenuity of ancestral practices.
The trajectory of hair alteration shifted dramatically with the transatlantic slave trade. Enslaved Africans were often subjected to dehumanizing grooming practices, including the forced shearing of hair, designed to strip them of their cultural identity and ties to their homeland. This marked a profound rupture in ancestral hair traditions, imposing a new, often traumatic, relationship with hair. Despite these brutal realities, resistance manifested through covert preservation of braiding techniques and protective styles, passed down through generations as symbols of resilience (Oforiwa, 2023).
| Era / Context Pre-Colonial Africa |
| Hair Alteration Purpose / Practice Symbol of identity, status, tribe, age; achieved through natural braiding, twisting, oils. |
| Era / Context Post-Slavery & Jim Crow Eras |
| Hair Alteration Purpose / Practice Assimilation into Eurocentric beauty standards; hot combs, greases used to smooth hair. |
| Era / Context Early 20th Century (Relaxers) |
| Hair Alteration Purpose / Practice Permanent straightening for "manageability" and societal acceptance; Garrett Morgan's accidental discovery. |
| Era / Context Late 20th Century (Mainstream Relaxers) |
| Hair Alteration Purpose / Practice Widespread adoption driven by media portrayal of "desirable" straight hair; perceived ease of maintenance. |

Intermediate
Moving beyond the foundational understanding, a deeper exploration of relaxers reveals their complex meaning within the cultural lexicon of Black and mixed-race hair. The introduction of chemical relaxers, particularly in the early 20th century, profoundly reshaped hair care practices and beauty ideals within these communities. Garrett Morgan, an African American inventor, inadvertently discovered the first chemical hair relaxer while experimenting with lubricants for sewing machines in the early 1900s, later marketing it as a hair-straightening cream (Nature’s Little Secret, 2025). This invention, while born of ingenuity, became entwined with the societal pressures of the era, which often equated straight hair with respectability, professionalism, and social mobility.

The Sociocultural Landscape of Hair Straightening
The widespread adoption of relaxers cannot be separated from the historical context of systemic oppression and racial discrimination. During the 19th and 20th centuries, deeply ingrained Eurocentric beauty standards dictated that straight hair was the ideal, leading to the pathologizing of textured hair. Black individuals, particularly women, faced immense pressure to conform to these norms to navigate societal prejudices and gain acceptance in workplaces and schools (Noma Sana, 2024). This pressure meant that for many, straightening their hair became less of a choice and more of a survival tactic, a means to mitigate discrimination and to be perceived as “neat” or “professional.” (ResearchGate, 2020).
For many Black women, hair straightening became intertwined with societal survival, a means to navigate pervasive Eurocentric beauty standards.
The term “good Hair,” which emerged from this period, often referred to hair that was loosely curled or straight, mirroring European hair textures, in contrast to “nappy” or “bad hair,” which described tightly coiled textures (Perception Institute). This internal hierarchy, unfortunately, became a part of the discourse within Black communities, reflecting the internalization of societal biases. The use of hot combs and various greases preceded chemical relaxers, all aimed at achieving a smoother texture, yet these methods often came with discomfort and potential damage (BBC News, 2015).

The Psychology of Hair Alteration
The decision to use relaxers is not merely a superficial beauty choice; it has deep psychological and social underpinnings. Research has highlighted that reasons for chemically straightening hair among Black women include the desire for “manageable” hair, a sense of community belongingness, and maternal choice (ResearchGate, 2024). The notion of “manageability” often reflects the ease of styling and reduced time commitment compared to natural hair, which for many who have had their hair straightened since childhood, presents a significant learning curve when transitioning back to their natural texture (MDPI, 2022).
Conversely, these practices were also associated with physical harm and psychological conflict. The constant exposure to messages that natural hair is “unprofessional,” “messy,” or “dirty” can lead to internalized racism and negative self-image, contributing to anxiety and hypervigilance about how others perceive one’s hair (Research, 2025). The narratives collected from Black women who underwent chemical hair straightening during their youth reveal that while it might have offered perceived social advantages, it also exacted a toll on their physical health and emotional well-being (ResearchGate, 2024).
The historical context of hair discrimination is particularly relevant. For instance, the Tignon Laws of 18th-century Louisiana forced free Black women to cover their elaborately styled hair, which was seen as a threat to the established racial hierarchy (WEW, 2022). While these laws are long past, the underlying sentiment that Black hair needs to be “tamed” has persisted, contributing to ongoing societal pressures to conform to Eurocentric beauty ideals (WEW, 2022).

A Timeline of Hair Alteration and Its Societal Context
The journey of hair alteration in Black communities is a complex tapestry woven with innovation, societal pressures, and cultural resistance.
- Pre-Colonial Africa ❉ Hairstyles were diverse expressions of identity, status, and spiritual connection. Hair braiding and styling were communal rituals. (BLAM UK CIC, 2022)
- Transatlantic Slave Trade ❉ Hair became a site of dehumanization. Forcibly shaved heads aimed to strip identity, yet resistance through hidden braids and seeds persisted. (BLAM UK CIC, 2022)
- 19th Century Post-Slavery ❉ Hot combs emerged, offering a temporary straightening solution, driven by the desire for social acceptance in a white-dominated society. (Noma Sana, 2024)
- Early 20th Century ❉ Garrett Morgan’s accidental discovery of the first chemical relaxer marked a new era of permanent straightening. (Nature’s Little Secret, 2025)
- Mid-20th Century (1950s Onwards) ❉ Chemical lye-based relaxers became widely available, offering longer-lasting straightness and becoming a common practice for Black women. (Library of Congress)
- 1960s-1970s ❉ The Black is Beautiful Movement ❉ The Afro became a powerful symbol of Black pride, identity, and political consciousness, challenging Eurocentric beauty norms. (MDPI, 2022)
- Late 20th Century ❉ Relaxers remained prevalent, often influenced by celebrity styles. Sales of chemical relaxers reached significant heights. (Forbes, 2022)
- 21st Century & Natural Hair Movement ❉ A resurgence of natural hair gained momentum, driven by health concerns and a reclaiming of ancestral hair traditions, leading to a decline in relaxer sales. (Forbes, 2022)
This historical progression reveals how external forces and internal desires shaped the relationship Black communities hold with relaxers and hair care.

Academic
The scholarly interpretation of “Relaxers” extends beyond a mere chemical process to encompass a profound sociocultural phenomenon, deeply embedded in the historical, psychological, and physiological experiences of Black and mixed-race individuals globally. From an academic vantage point, relaxers are understood as agents of molecular transformation that facilitate the linear reconfiguration of the hair’s keratin structure, primarily targeting the Disulfide Bonds that dictate its natural helical pattern. This molecular manipulation, typically achieved through the application of strong alkaline agents such as Sodium Hydroxide (often referred to as lye relaxers) or the more complex chemistry of Guanidine Hydroxide (formed from calcium hydroxide and guanidine carbonate in “no-lye” formulations), represents a deliberate intervention into the hair’s inherent biological blueprint. The meaning of relaxers, therefore, transcends their chemical efficacy to become a complex signifier within the discourse of identity, beauty standards, and systemic racism.
The application of these potent chemical compounds initiates a process of controlled damage, aiming to soften the hair’s coiled structure while preserving its tensile strength. The mechanism involves the breaking of disulfide bonds, which are crucial for maintaining the hair’s integrity and curl. Once these bonds are fractured, the hair shaft becomes pliable, allowing for mechanical straightening.
A subsequent neutralizing process (or, in the case of some no-lye relaxers, a post-treatment conditioning) then aims to reform the bonds in their new, elongated state. This intricate chemical reaction demands precise formulation and application protocols to mitigate adverse effects, yet the historical record and contemporary research underscore the inherent risks involved.

The Interconnected Incidences of Health and Heritage
A particularly critical academic lens through which relaxers are examined is their documented impact on health, especially within the Black female demographic. This area of inquiry reveals a disturbing intersection of beauty practices, environmental justice, and systemic health disparities. A significant body of research indicates that long-term and frequent use of chemical hair relaxers may be associated with increased risks of specific health outcomes.
The historical use of relaxers is deeply interwoven with systemic pressures and societal standards that have marginalized textured hair.
For instance, a compelling study by researchers at Boston University’s Black Women’s Health Study (BWHS) illuminated a statistically significant association between the long-term use of chemical hair relaxers by postmenopausal Black women and an increased risk of uterine cancer. Specifically, women who reported using hair relaxers more than twice a year or for over five years experienced a greater than 50% increased risk of uterine cancer compared to those who rarely or never used them (Boston University, 2023). This finding is particularly salient considering that Black women experience higher rates of aggressive subtypes of uterine cancer and are nearly twice as likely to die from the disease when compared to non-Hispanic white women (Boston University, 2023). This highlights a critical health disparity linked to products heavily marketed to, and commonly used by, Black individuals.
Further research has implicated relaxers in other reproductive health concerns. These products often contain chemicals identified as Endocrine Disruptors, substances that can interfere with the body’s hormonal system. Such chemicals can be absorbed through inhalation or dermal exposure, raising concerns about their cumulative effect on reproductive health outcomes, including early onset of menarche, altered estrogen metabolism, reduced fertility, and elevated risks of uterine fibroids and ovarian cancer (Frontiers, 2025; NewYork-Presbyterian, 2024).
The pervasive use of relaxers, with up to 95% of adult Black women in the U.S. reporting ever having used them, underscores the breadth of this exposure (NewYork-Presbyterian, 2024).
This critical area of inquiry reveals the enduring legacy of beauty standards that have, for too long, prioritized a Eurocentric aesthetic, compelling Black women to adopt practices with potential health consequences. The academic discourse here is not merely about the chemicals themselves; it delves into the societal mechanisms that created the demand for such products and perpetuated their use despite known or suspected risks.

A Deeper Understanding of Usage Patterns
Beyond the health risks, research also provides nuanced insights into usage patterns and motivations. A study involving 1,555 African American women in the Study of Environment, Lifestyle, and Fibroids (SELF) found that 89% reported ever using chemical relaxers or straightening products in their lifetime, with 96% of first use occurring by age 19 (PubMed Central, 2017). This early initiation speaks volumes about the socialization of Black girls into beauty norms that historically favored straight hair.
While relaxer use decreased in adulthood for some (from 73% in adolescence to 29% in adulthood for use at least twice a year), the lifetime prevalence remains remarkably high (PubMed Central, 2017). This indicates that the cultural shift towards natural hair, while significant, has not entirely erased the historical patterns of relaxer use.
The persistence of relaxer use, despite the growing natural hair movement and increasing awareness of health implications, underscores the complex interplay of personal preference, societal pressures, and the perceived ease of maintenance associated with straightened hair (Forbes, 2022; MDPI, 2022). This ongoing negotiation within the Black community reflects a tension between ancestral self-acceptance and the lingering impact of historical beauty standards.

Ancestral Practices and Modern Scientific Intersections
Connecting the scientific understanding of relaxers to ancestral practices involves appreciating the profound knowledge systems that predated chemical interventions. In pre-colonial African societies, hair care was a meticulous art and science, utilizing natural ingredients and techniques to maintain hair health and express cultural identity.
| Ancestral Hair Care Philosophy Focus ❉ Nourishing natural texture, promoting growth, expressing identity. |
| Chemical Relaxer Philosophy (Historical Context) Focus ❉ Altering natural texture, achieving straightness for conformity. |
| Ancestral Hair Care Philosophy Ingredients ❉ Natural oils, herbs, clays, plant-based conditioners. |
| Chemical Relaxer Philosophy (Historical Context) Ingredients ❉ Strong alkaline chemicals (sodium hydroxide, guanidine hydroxide). |
| Ancestral Hair Care Philosophy Techniques ❉ Braiding, twisting, coiling, protective styles; communal grooming. |
| Chemical Relaxer Philosophy (Historical Context) Techniques ❉ Chemical application, mechanical straightening, rinsing, neutralizing. |
| Ancestral Hair Care Philosophy Cultural Significance ❉ Symbol of status, spirituality, lineage, community. |
| Chemical Relaxer Philosophy (Historical Context) Cultural Significance ❉ Tool for assimilation, perceived "manageability," societal acceptance. |
| Ancestral Hair Care Philosophy Health Implications ❉ Generally holistic, promoting scalp health and hair strength. |
| Chemical Relaxer Philosophy (Historical Context) Health Implications ❉ Potential for scalp burns, hair damage, long-term systemic health risks. |
For instance, the use of natural oils for lubrication and conditioning, various plant extracts for cleansing and strengthening, and intricate braiding patterns for protection and styling, demonstrates a deep, intuitive understanding of hair biology and care (Oforiwa, 2023; BLAM UK CIC, 2022). These practices, often passed down through generations, aimed at working harmoniously with the hair’s natural properties.
The advent of chemical relaxers, while offering a rapid transformation, stands in stark contrast to these historical approaches. The scientific delineation of relaxers, therefore, cannot ignore this heritage. Understanding the chemical reactions at play within the hair strand, while vital, gains a richer meaning when juxtaposed against centuries of nuanced, culturally specific hair knowledge that sought to celebrate and maintain natural texture.
The historical context of hair straightening, particularly the pressure to conform to Eurocentric beauty standards, frames the scientific inquiry into relaxers not merely as a study of chemical effects, but as an examination of their social and health implications within a racialized society. This comprehensive view allows for a truly academic and empathetic interpretation of relaxers.

Reflection on the Heritage of Relaxers
The journey of relaxers, from their accidental inception to their pervasive presence and eventual re-evaluation within Black and mixed-race communities, offers a profound reflection on the intricate relationship between hair, identity, and the enduring echoes of history. This reflection calls us to consider the strands that bind us to our past, recognizing how hair, in its myriad forms, has served as a canvas for both resilience and the imprint of societal expectations. The significance of relaxers, therefore, extends far beyond their chemical composition; they represent a complex chapter in the continuous narrative of self-definition amidst a world often seeking conformity.
Observing the trajectory of relaxer use, one cannot escape the underlying societal pressures that propelled many, particularly Black women, towards chemical straightening. It was a striving for acceptance in spaces that often devalued natural textured hair. The choices made around hair were never simply about aesthetics; they were often deeply rooted in the struggle for dignity, opportunity, and a sense of belonging in a world that frequently judged worth based on appearance. This historical weight is still felt, as the ongoing natural hair movement seeks to reclaim and celebrate the diverse beauty of coils, kinks, and curls, unraveling decades of internalized narratives.
This ongoing conversation invites us to reconsider what “care” truly means for textured hair. Is it only about chemical alteration, or does it encompass a deeper, more holistic understanding of ancestral wisdom and self-acceptance? The stories of our foremothers, who meticulously cared for hair with natural oils and intricate styles, remind us that true hair wellness is intertwined with reverence for one’s heritage. Their practices, honed over generations, offer timeless lessons in nurturing the hair from its very source, not merely molding it to external ideals.
As we look forward, the discourse around relaxers encourages a more informed and empowered approach to hair choices, one that honors the past, addresses present realities, and cultivates a future where every strand tells a story of pride and authenticity. The enduring pursuit is a celebration of hair in all its forms, a recognition of its intrinsic connection to our spirit and our shared ancestral journey.

References
- Ayana D. Byrd, Lori L. Tharps. Hair Story ❉ Untangling the Roots of Black Hair in America. St. Martin’s Griffin, 2014.
- Bertrand, Kimberly, et al. “Chemical Hair Relaxer Use and Uterine Cancer Risk in the Black Women’s Health Study.” Environmental Research, vol. 238, 2023, p. 116982.
- Mbilishaka, Afiya M. “I Remember My First Relaxer ❉ Black Women Voicing Psychologically Engrained Practices of Chemical Hair Straightening.” American Journal of Orthopsychiatry, vol. 93, no. 5, 2023, pp. 433-442.
- Mbilishaka, Afiya M. and M. Clemons. “Don’t Get It Twisted ❉ Untangling the Psychology of Hair Discrimination Within Black Communities.” American Journal of Orthopsychiatry, vol. 93, no. 5, 2023, pp. 423–432.
- Oforiwa, Alice. “The History and Culture of African Natural Hair ❉ From Ancient Times to Modern Trends.” AMAKA Studio, 2023.
- Ramsey, B. A. et al. “Chemical/Straightening and Other Hair Product Usage during Childhood, Adolescence, and Adulthood among African-American Women ❉ Potential Implications for Health.” Journal of Racial and Ethnic Health Disparities, vol. 9, no. 3, 2022, pp. 1069-1082.
- Roberts, Tonya. “Hair relaxer sales decline 26% over the past five years.” Mintel, 2013.
- Tharps, Lori. “Tangled Roots ❉ Decoding the history of Black Hair.” CBC Radio, 2021.
- Udoh, R. et al. “Afro-Ethnic Hairstyling Trends, Risks, and Recommendations.” Cosmetics, vol. 9, no. 1, 2022, p. 19.