What should a mehndi artist disclose about henna ingredients and colouring additives?
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Direct answer
Ask for the henna product's ingredients and any colouring additives; a natural or black-henna label is not a reliable safety assurance.
The FDA warns that some products sold as black henna contain PPD, a hair-dye ingredient that can cause serious skin reactions. Do not accept an unexplained rapid-darkening mixture or assume prior uneventful use guarantees safety. Seek qualified medical advice for a reaction and keep the product details. The source explains a health risk, not a declaration that every mehndi product has the same formulation.
Sources used
Temporary Tattoos, Henna/Mehndi, and Black Henna: Fact Sheet
US Food and Drug Administration
PPD and adverse-reaction warning; no claim that every henna mixture contains the same ingredient.Source checked:
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