Effects of chemical straighteners on the hair shaft and scalp

JNH Paula, FMA Basílio… - Anais Brasileiros de …, 2022 - SciELO Brasil
Background The effects of chemical straighteners on the scalp and hair shaft are not fully
known, although such substances are widely used. Hair straightening became popular in …

Hairdressing and the prevalence of scalp disease in African adults

NP Khumalo, S Jessop, F Gumedze… - British Journal of …, 2007 - academic.oup.com
Background Anecdotal reports suggest that certain scalp disorders are common in Africans
and may be associated with hairstyles. Objectives This study of 874 African adults in Cape …

Prospective histologic examinations in patients who practice traumatic hairstyling

EE Uhlenhake, DM Mehregan - International Journal of …, 2013 - Wiley Online Library
Objectives Alopecia is the fifth most common dermatologic diagnosis in AfricanAmerican
patients. Central centrifugal cicatricial alopecia (CCCA) is the most common form of scarring …

African hair length in a school population: a clue to disease pathogenesis?

NP Khumalo, F Gumedze - Journal of Cosmetic Dermatology, 2007 - Wiley Online Library
Background Anecdotal data suggest that combed natural African hair reaches a length
steady state. Easier grooming and anticipated long hair have made relaxers popular …

Evaluation of Polymethylene Waxes as Conditioning Agents in Hair Relaxers

RB Shalvoy, S Vermeulen, S Wilford - Microscopy and Microanalysis, 2005 - cambridge.org
The process of straightening (relaxing) naturally curly hair requires the use of highly alkaline
ingredients (NaOH) in the relaxer system. Such treatments leave the hair in a damaged …