Pure Luster SerumAid in the treatment of dark spots, sunspots, pigmentation, blemished spots, and unevenness. Pure Luster serum contains brightening agents that inhibit pigment from surfacing AND lightens pigment to give you hydrated, healthy, clear skin! **Please note that the raw materials have a unique natural scent, specifically from the glutathione ingredient. Initially, when applied, you may notice this scent; however, it dissipates shortly after application.