... hot oil effect, and makes hair black, natural and bright for dyeing hair, white hair and gray hair.It is one of hair care products ... 1 and Agent 2 onto palm and mix it, use more for long hair and less for short hair (please use double dosage of shampoo for the ... clear water;4) Extend proper amount of “Herbal Hair Nourishing Essence” onto scalp and hair, gently massage for 2-3 minutes;5) Use ...