Every shade of Brazilian Brows sophisticated natural color contains vegetable extracts including herbs and fruits from Brazil and India, which offer a simultaneous coloration and deep conditioning treatment for the hair as well as intense treatment for the scalp. While coloring gray on first application, Brazilian Brows Henna does NOT contain ammonia, PPD, parabens, peroxide, resorcinol, heavy metals, artificial fragrance, mineral oils, GMO's or gluten. Brazilian Brows is 100% vegan and cruelty free.