Toxic black henna dyes
Henna, a 9,000 year-old South Asian and Middle Eastern tradition of painting the body, has found its way to the mainstream. Henna tattoos have been spotted on everyone from singing divas to movie stars to spring breakers. Henna is also used to dye hair. Though the popularity of the body art rises, information surrounding it does not. Few realise that a form of henna, called "black henna," can...
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