This two-step system contains powerful ingredients like azelaic acid, kojic acid, phytic acid, ascorbic acid, arbutin, and titanium dioxide) that penetrate deep into the skin serving to: Treat skin hyperpigmentation you can see now by stimulating cell turnover to help eliminate melanin already accumulated in the visible layers of the skin – i.e., fading existing sun spots, age spots, or melasma ("the mask of pregnancy"). Prevent future skin hyperpigmentation by decreasing the natural production of the tyrosinase enzyme, your melanin levels will become regulated, no longer causing blotchy areas of hyperpigmentation.