Get the best Skin Whitening Clinic in Chennai and Lip Pigmentation Treatment in Chennai for iCare Aesthetics. everal criteria are used to classify the different types of skin. From a cosmetic point of view, skin is classified according to several factors related to its balance: sebaceous secretion, hydration and sensitivity level. Thus, each type of skin will have its own characteristics and require different cares. The type of skin is determined by genetics, although it will also be affected by other factors and can change with time.