BRIGHTENING SERUM is a powerful formula that safely reduces the appearance of hyper pigmented areas, while providing significant controlled exfoliation without peeling. Is clinical white lightening serum 1 fl. Oz. Clinically proven to reduce discoloration and hyperpigmentation by 75% in only 3 months, this powerful serum uses Norwegian sea kelp extracts and botanical acids to lighten and smooth skin. Paraben-free.