July 2022 in “Dermatology practical & conceptual” Henna ointment may help reduce itching and improve wound healing in patients with epidermolysis bullosa.
April 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
4 citations
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January 2016 in “The Turkish Journal of Pediatrics” A 5-year-old girl got a rare case of extra hair growth on her arm after a henna tattoo.
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.
2 citations
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November 2019 in “PubMed”