TLDR Afro-ethnic hair can be straightened using chemical and heat methods.
The document provided a historical overview of the methods used to relax or straighten Afro-ethnic hair, highlighting the unique characteristics of this hair type, such as variations in diameter, ellipsoidal threads, and irregular sebum distribution leading to dryness. It discussed both chemical and thermal methods for straightening, with a focus on the chemical process that irreversibly straightens excessively curly hair using high pH cosmetic emulsions. The review traced the evolution of product categories used for hair straightening over time.
10 citations,
January 1994 Hair can be straightened using different chemicals, not just strong alkali.
27 citations,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
193 citations,
January 2015 in “International journal of trichology” Dermatologists need to understand hair products to treat hair and scalp issues better.
105 citations,
April 2004 in “Dermatologic Therapy” The document concludes that proper diagnosis and a combination of medical, hair-care, and surgical treatments are important for managing alopecia in black women.
55 citations,
October 2003 in “Dermatologic Clinics” Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.
32 citations,
August 2015 in “Anais Brasileiros de Dermatologia” Black women's unique hair characteristics and styling practices can lead to specific scalp conditions, which require early diagnosis and appropriate treatment.
4 citations,
January 2022 in “Cosmetics” Avoid high-tension styles and use professional treatments to reduce hair damage and health risks.
