Our Biotin Premium Hair Growth Serum contains Biotin, Zingiber Officinale(Ginger) Extract, Panax Ginseng Root Extract. It can repair damaged hair follicles, improve dry damaged hair, make your hair full of vitality, can strengthen hair quality, effectively prevent hair loss, nourish hair roots, and promote hair growth. The way to use it is very simple: wash your hair, then blow dry it, apply a few pumps of serum to your hair, and gently massage your scalp with your fingertips until it is completely absorbed. It can deeply awaken dormant hair follicles, promote the growth of new hair, and make hair healthier and thicker.