Does Henna Cause Cancer? OR Is Henna Edible?
Don’t eat henna; it’s toxic. The main ingredient in henna dye is hydroxynaphthaquinone which is obtained from leaves of the Lawsonia tree. Hydroxynaphthaquinone alone is not carcinogenic, but when combined with para-phenylenediamine (PPD) the mixture has been documented as causing problems. PPD is a synthetic dye used to accelerate the drying time of the henna… Read More »