Glutathione Comprime Super Fort Serum Kojic Acid Whitening Essence oil. Same days shipping if oder befor 2pm. This serum is very effective serum Brightens, whitens your skin, while ridding your skin of impurities, red spots, treats black marks on the skin. thanks to Glutathione, the essentials oils, Kojic acid, vitamins A & E Your skin becomes more radiant and beautiful. Mix in your body milk or lotion External use. do not put on you face or directy on your skin