Our Biotin Hair Growth Roll On Massage Essence contains Biotin, Panax Ginseng Root Extract, Zingiber Officinale(Ginger)Root Extract. It can promote hair growth, make your hair fuller and stronger, restore hair vitality, make hair more voluminous and dense, reduce the growth of white hair, make hair darker and more shiny. Its application is simple: dry your hair well, apply a small amount to your scalp, massage gently with your fingertips, and let your skin fully absorb it. It can deeply awaken dormant hair follicles, promote the growth of new hair, and make hair healthier and thicker.