Skin is basically three types, dry skin, oily skin and mixed skin.Pure Ceramides For different skin types different cosmetic products are prepared carefully so as to provide proper nourishment to skin cells. If your skin is sensitive, you can’t apply all cosmetics on it. You should take the advice of a skin care expert before choosing any cosmetic product for your skin. All cosmetic products nourish your skin differently. Sunscreen creams form a layer around your skin to protect you from the harmful effects of sun’s rays. Nourishing creams go deeper in to skin cells to nourish your skin from there.