LA SCIENCE SHAMPOO maintains the condition of the scalp, creating the best environment for anti-hair loss by strengthening the hair follicle and increasing the blood supply to the treated area. LA Science shampoo creates a healthy environment for anti-hair loss which improves blood supply to the scalp. One of the main ingredients of the shampoo is Copper Tripeptide. Copper peptide complex increases blood vessel network to the hair follicle, increasing the size of the follicle, encouraging hair growth. Also include directions for use Shampoo, should last around 5 months. Wash hair daily, massaging thoroughly into the scalp, do not use a conditioner with this product. Towel hair (doesn't have to be bone dry but takeoff excess water).