Our hair serum contains hydroxyethyl cellulose and ginger root oil. It can strengthen the hair roots, reduce hair loss, suitable for people with severe hair loss. The way to use it is simple: 1. Clean your scalp and hair first. 2. Apply appropriate amount to scalp and hair evenly. 3. Gently massage with fingertips until completely absorbed. Deep nourishing hair and scalp, repair dry damaged hair. Helps control scalp oil production and reduce oil.