1 citations
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July 2016 in “Cosmetics” Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
21 citations
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January 1995 in “Journal of the American Institute for Conservation” A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.
2 citations
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July 2020 in “International Journal for Research in Applied Science and Engineering Technology” Pseudomonas DL17 can completely break down the harmful dye Sunset Yellow FCF in 48 hours.
February 2026 in “PubMed” Most hair dye allergies are caused by para-phenylenediamine (PPD), and safer hair dye options are needed.
47 citations
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January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Premature graying of hair may suggest health issues and currently lacks effective treatments.