Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
Indian hair is unique due to genetics and care practices, with specific scalp bacteria and fungi.
95 citations
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October 2007 in “International Journal of Dermatology” A new method accurately classifies hair types, showing global hair diversity.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
2 citations
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March 1942 in “JAMA” 4 citations
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March 2022 in “Ghana Medical Journal” Hair greying is common in Lagos, starting around age 30, more in males than females.
January 2003 in “Annals of Dermatology” Iron deficiency can cause hair abnormalities, but taking iron can fix them and stop hair loss.
April 2008 in “Medical & surgical dermatology” Certain hairstyles can cause scalp diseases, smoking is linked to hair loss, 5% minoxidil foam is effective for hair loss treatment, and various factors influence wound healing and hair growth.
2 citations
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May 2022 in “Journal of the American Academy of Dermatology” The study concludes that Traction Alopecia is often overlooked in women and children of color, and better recognition and follow-up care are needed.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
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.
January 2017 in “Journal of clinical & experimental dermatology research” The case shows skin changes can indicate deeper health issues like insulin resistance, which are challenging to manage.
January 2013 in “Digital Repository (National Repository of Grey Literature)” Hair loss negatively affects self-esteem and identity.
2 citations
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December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
October 2021 in “West African journal of medicine” Hair loss in women in Lagos, Nigeria is rare but severe when it occurs, with symptoms similar to those seen worldwide.
12 citations
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May 2019 in “Journal of cosmetic dermatology” Effective treatments for premature hair graying still require significant research.
December 2019 in “HAL (Le Centre pour la Communication Scientifique Directe)” Coconut oil beads may help treat hair loss in black women.
A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.
68 citations
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August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
December 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment safely and effectively restores natural hair color by increasing black hair and reducing grey hair.
November 2015 in “Springer eBooks” Hair loss treated with minoxidil, finasteride, laser/light, hair transplant, and scalp prostheses; more research needed for skin of color.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
51 citations
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March 2001 in “Clinics in dermatology” Bleaching damages hair, making it rougher and weaker.
12 citations
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December 2011
7 citations
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January 2013 in “Indian Journal of Plastic Surgery” Body and beard hair can be used for hair transplants in baldness treatment but keep their original color and curl.
September 2023 in “Cureus” Early recognition and treatment of atypical alopecia areata in infants are crucial.
6 citations
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July 1976 in “JAMA” Black patients have unique skin conditions that require specific knowledge for proper treatment.
1 citations
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July 2023 in “Forensic science international. Genetics” Hair protein analysis might help identify a person's ethnicity, sex, and age in forensics.