Wash hair with Paul Mitchell Super Strong Shampoo and pat dry. Spread the contents of the vial over hair and scalp using the applicator provided, then massage until it is completely absorbed. Do not rinse. Dry hair. Follow by using the most appropriate Paul Mitchell styling products. For best results repeat the operation every other day for 20/30 days, then continue with the complete treatment (shampoo + lotion) twice a week for about 2 months. Repeat the treatment periodically.