Peel involves applying a chemical solution to your entire face or the skin surface where you need the treatment. The length of the time the peel left on the skin is determined by carefully observing the skin type and kind of treatment required. The different varieties of chemical peels vary according to their specific ingredients and their strength. The three different types of chemical peels are Superficial peel, Medium peel and Deep peel. Apart from this, the variations of the peel include.