62 citations
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December 1941 in “Experimental biology and medicine” Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
1 citations
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January 2010 in “Elsevier eBooks” Hair care products can cause skin irritation and allergies.
4 citations
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January 2016 in “Annals of dermatology/Annals of Dermatology” Iron supplements can restore normal hair color in cases of premature graying linked to iron deficiency.
November 2022 in “Brazilian journal of veterinary pathology” The Yorkshire terrier has a genetic hair loss condition not improved by treatment.
1 citations
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January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
8 citations
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October 2014 in “Journal of analytical toxicology.” Chemical hair straightening significantly reduces detectable drug levels in hair.
8 citations
,
February 2022 in “International Journal of Dermatology” Lipids are crucial for healthy hair, protecting it from damage and breakage.
January 2018 in “Elsevier eBooks” January 2015 in “Elsevier eBooks” 2 citations
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March 2017 in “Sultan Qaboos University medical journal” An infant had two different natural hair colors on the scalp with no health issues.
April 2024 in “Pharmacognosy research” The herbal hair dye with natural ingredients like henna was successfully made and tested, but more research is needed on its effectiveness on different hair colors and benefits.
December 2025 in “Skin Appendage Disorders” Stress may cause sudden hair whitening in children.
1 citations
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July 2018 in “CMAJ. Canadian Medical Association journal” A three-year-old girl has hair loss despite treatment with selenium sulfide shampoo and anti-fungal medication.
2 citations
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August 2021 in “Skin appendage disorders” White piedra is a rare hair infection treated with oral and topical antifungals.
December 2025 in “GARI International Journal of Multidisciplinary Research” Ayurveda suggests natural remedies and lifestyle changes for managing premature hair greying.
35 citations
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September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
November 2025 in “Indian Journal of Nephrology” Hair dye may trigger anti-GBM disease relapse, and rituximab can help manage it.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
May 2023 in “Sokoto journal of medical laboratory science” Commercial hair dyes can harm the skin and liver.
9 citations
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July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
450 citations
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January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
19 citations
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September 2004 in “PubMed” Chronic hair diseases can severely affect mental health and self-confidence.
6 citations
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May 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
December 2025 in “Universal library of medical and health sciences.” 48 citations
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September 2010 in “PubMed” Chemotherapy often causes hair loss, which is distressing for many, but usually reversible.
5 citations
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January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
13 citations
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January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.