November 2016 in “PubMed” Hair becomes thinner, grayer, and may fall out more as people get older, and styling habits can worsen these effects.
40 citations,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
3 citations,
January 2019 in “Skin Research and Technology” Frequent use of hair straighteners can cause hair loss similar to scarring alopecia in young Turkish women.
March 2025 in “The Open Dermatology Journal” Trichorrhexis nodosa is common hair breakage, often due to styling, and new treatments are being explored.
30 citations,
May 2014 in “American Journal of Clinical Dermatology” The conclusion is that better understanding and more research are needed to effectively manage follicular and scarring disorders in skin of color, with an emphasis on patient education and cultural awareness.