Our Black Hair Essence Contains Mineral Oil, Jojoba Oil. It Can Supplement Sufficient Nutrition to the Hair, Repair the Damage, and the Hair Is Black and Shiny. Its Usage Is Very Simple: Gently Shake the Bottle Body, Apply 1 Drop of Essence to the Scalp Directly along the Hair Root, and Apply It to Other Gray Areas as Needed. Massage with Fingertips Every Morning Or Afternoon. Continuous Use Is the Key to Get the Best Results, and It Works Best on Wet Hair Or Towel Dry Hair. Supplement Hair Follicle Nutrition, Nourish Hair Roots, and Turn White Hair into Black Hair.