Our Skin Brightening and Dark Spot Removal Serum contains glycerin and hydroxyethyl cellulose. It effectively lightens dullness, brightens skin tone, moisturizes and nourishes skin, softens cuticles, and makes skin elastic and smooth. Its usage is simple: after cleansing, apply directly to dark spots, knees, elbows, athletes' feet. Cleanse two to three times daily to exfoliate, remove melanin, improve dullness, yellowing, enhance radiance, and keep skin fair and glowing