STAIN PROTOCOL The blemish protocol is a skin care process applied to remove blemishes on the skin. Different stain protocols can be applied depending on which type of stains to be removed and what kind of stain protocol to be applied. These protocols are determined completely depending on the skin structure of the person and the condition of the spots. Among the stain protocol methods, there are methods such as skin peeling, laser treatment, creams and drugs. The method to be applied depends on the skin characteristics of the person.