Allergen content of popular chemical hair relaxers: A product analysis

Abstract

AbstractBackgroundChemical hair relaxers are widely utilized by black women, yet little research exists on the allergens present in these products.ObjectiveThis study aims to investigate allergen prevalence in the most popular chemical hair relaxers.MethodsWe analysed 41 products from five major retailers, identifying allergens through ingredient lists and comparing them to the 2020 American Contact Dermatitis Group Core allergen series.ResultsThe most common contact allergens in chemical relaxers include propylene glycol, cetyl steryl alcohol, fragrance, D/L‐a‐tocopherol, tea tree oil and cocamidopropyl betaine.ConclusionUnderstanding allergen exposure in products used by individuals with textured hair is needed for managing contact dermatitis in diverse populations. This analysis underscores the presence of potential allergens in hair relaxers, emphasizing the importance of dermatologists' awareness and patient scrutiny of ingredient lists.