29 citations
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August 1985 in “Contact Dermatitis” Minoxidil can cause allergic reactions like burning, itching, and red bumps.
February 2026 in “PubMed” Most hair dye allergies are caused by para-phenylenediamine (PPD), and safer hair dye options are needed.
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.
October 2001 in “WORLD SCIENTIFIC eBooks” Many substances, including chemicals and metals, can cause skin reactions; careful handling and identification of allergens are crucial to prevent dermatitis.
1 citations
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May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.