40 citations,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
54 citations,
September 2000 in “Archives of dermatology” A hair-straightening product caused widespread hair loss and scalp injuries, mainly affecting African American women.
1 citations,
May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
October 2018 in “InTech eBooks” The gene Foxn1 is important for hair growth, and understanding it may lead to new alopecia treatments.
1 citations,
January 2016 in “Springer briefs in molecular science” Natural plant-based substances can be used as effective hair dyes.