Active Ingredients Water · Cetyl Alcohol · Glycerin · Mandelic Acid · Azelaic Acid · Ahytic Acid · Lactobionic Acid · Tranexamic Acid · Salicylic Acid · Retinal Mode of Action The mask’s ingredients provide synergic activity in order to promote epidermal cell turnover, degranulate the melanin pigment deposited in the tissue, and inhibit melanin synthesis activity in the melanocyte. Treatment Protocol Apply once a week after each treatment applied in the doctor’s office. The doctor will decide the duration of use. Application Protocol Cleanse the face with water and facial soap, apply the mask, and leave to act for 45 minutes, before removing the product with warm water.