A brightening & firming serum with 12-hour time-release vitamin C and ferulic acid that works overtime to brighten dull & uneven skin tone, visibly firm & target hyperpigmentation for rapid results. Brighten dull skin & even skin tone with 12-hour time-release vitamin C that provides brightens all day for rapid results that last. Visibly firm & support elasticity while boosting antioxidant protection with Ferulic Acid + Vitamin C-rich Japanese Plum (nankou ume). Target hyperpigmentation & improve the skin barrier with a Pro-Glutathione Antioxidant Booster clinically proven to provide 13x more antioxidant power than pure vitamin C (ascorbic acid), supporting the skin's glutathione, one of the skin's most powerful naturally occurring antioxidants. TEST RESULTS 100% showed brighter and visibly firmer skin in 1 week* 100% showed improvement in post-acne marks in 1 week* 100% agreed serum absorbs quickly into skin & is gentle* *based on a clinical study of 18 panelists