Our Collagen B7 Vitamin Hair Growth Essential Oil contains vitamin B7, hydrolyzed collagen, and stevia extract.It nourishes the scalp, contains highly effective biotin and collagen, protects hair follicles, prevents hair loss, balances scalp sebum, stabilizes hair roots, promotes blood circulation and accelerates hair regrowth.It is easy to use: wash and blow-dry your hair, shake the liquid in the bottle on the surface of the scalp, apply an appropriate amount of this product to the scalp and gently massage with your fingertips to promote absorption.After use, it helps to deeply nourish hair roots, prevent hair loss, strengthen and moisturize hair, promote accelerated hair growth, repair damaged hair, reduce hair loss, and make your hair thicker and shinier.