Hair keratin treatments can be harmful, potentially causing health issues like skin reactions and cancer.
January 2023 in “Pesquisa Veterinária Brasileira” A KRT71 mutation in Hereford cattle in Uruguay causes thin, curly hair and scaly skin.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Chemotherapy side effects might help treat autoimmune hair loss.
Pseudofolliculitis causes painful bumps and dark spots from shaving, especially in people with curly hair, and can be treated by changing shaving habits and using specific topical treatments.
August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
23 citations
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June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
9 citations
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May 2021 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Topical minoxidil may help treat a rare genetic hair condition with no fully effective treatments yet.
109 citations
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June 2000 in “Development” Notch pathway activation causes abnormal hair layer development.
11 citations
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October 2007 in “Journal of Investigative Dermatology” Mutations in the Sgk3 gene cause fuzzy hair in mice.
3 citations
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February 2016 in “Dermatologic Therapy” Using minoxidil and tretinoin on the skin, along with oral vitamin D, improved hair thickness and density in two girls with woolly hair.
July 2009 in “International Journal of Cosmetic Science” Japanese women's curved hair has an uneven internal structure and varied amino acid composition.
January 2016 in “International journal of clinical pediatrics” Valproic acid may cause temporary hair changes like loss or thinning in children.
15 citations
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June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
9 citations
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July 2016 in “The Journal of Dermatology” An 82-year-old man's white hair regained color after taking etretinate for psoriasis.
May 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A mutation in the KRT74 gene causes woolly hair by affecting hair texture.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
May 2015 in “Journal of the American Academy of Dermatology” New hair after alopecia areata can be thinner and change color but usually keeps the same shape.
72 citations
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July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
32 citations
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July 2011 in “Facial Plastic Surgery” New hair transplant methods offer more natural results and better graft survival, with ongoing research to increase donor hair options.
25 citations
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September 2014 in “Dermatologic Surgery” Hair transplants can effectively treat hair loss from CCCA in African American women if there's no inflammation.
10 citations
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November 1997 in “British Journal of Dermatology” A 10-year-old boy had the earliest reported case of hair that became progressively kinkier but eventually returned to normal on its own.
4 citations
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February 2008 in “Dermatologic Surgery” Hair transplant surgery successfully restored a woman's pubic hair, improving her appearance and satisfaction.
4 citations
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June 2020 in “Journal of Cosmetic Dermatology” The edge out punch is a tool that lowers the chance of damaging hair follicles during hair transplant surgery.
1 citations
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October 2012 in “The Journal of Dermatology” A Korean girl developed kinky hair without known cause or effective treatment.
December 2025 in “Frontiers in Medicine” ARWH is a rare hair disorder with no cure, but potential treatments include minoxidil and other therapies.
February 2022 in “International journal of research in dermatology” The document concludes that proper diagnosis and treatment of hair shaft disorders require understanding their unique causes and avoiding hair-damaging practices.
7 citations
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September 2006 in “Molecular Carcinogenesis” Homozygous K5Cre transgenic mice have wavy hair and faster cancer progression.
December 2024 in “Biomedical & Pharmacology Journal” Hair Tonic A, with white tea extract, is better for improving hair health.
November 2025 in “Turkish Journal of Dermatology” FUE technique offers higher satisfaction and broader use for women needing hair transplants.
10 citations
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January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.