BLACK HENNA: Allergen or Not An Allergen?

BLACK HENNA: Allergen or Not An Allergen?

Allergen. Black Henna Pure, organic henna with no additives is generally not allergenic, but black henna is. In a big way. The reason for this is that black henna has PPD or para-phenylenediamine (which is on published common allergen lists) added to it to make its color black, to make it more vivid, and to make it look …