The process is pure! Our herbal shampoo contains saponified oils of castor, coconut, jojoba, olive and free trade palm together with an herbal infusion of coltsfoot, horsetail, nettle and rosemary. Along with stimulating essential oils of clary sage, lemon, rosemary and ylang ylang. For maximum benefit, allow shampoo to stay on scalp for 3 minutes before rinsing off.