63 citations
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February 2017 in “ACS biomaterials science & engineering” In this study, polydopamine emerged as a safe and effective alternative to traditional hair dyes like PPD for dyeing gray hair permanently, showing resistance to detergents and causing less toxicity and hair loss in mice.
38 citations
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June 2005 in “Acta Biochimica Polonica” This study found that spleens of black C57BL/6 mice contain eumelanin, with properties different from skin and hair melanin, and may originate from skin melanin transported by immune cells.
7 citations
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March 1990 in “Pigment Cell Research” This animal study observed that while topical MBEH and intraperitoneal phenol induced hair graying in eumelanic mice, they had little effect on pheomelanic mice, and amcinonide reduced certain epidermal melanocytes in both.
53 citations
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November 1997 in “Journal of Forensic Sciences” This study found that codeine incorporation in guinea pig hair varied with pigmentation and was highest in black hair, suggesting the role of eumelanins in drug binding.
30 citations
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June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” In this study, oral zinc sulphate was found to cause hair hypopigmentation and significantly inhibit eumelanogenesis in mice.