This light, hydrating serum features 25% vitamin C + powerful supporting antioxidants to visibly improve tone, discolorations, elasticity & firmness with zero irritation. Clinically proven to improve uneven tone, discoloration, radiance, firmness & elasticity* -94% had visibly improved discolorations. -91% had brighter-looking skin. *Based on an independent clinical study with 32 subjects after 8 weeks Targets stubborn sun damage & improves uneven tone. Boosts radiance & helps prevent discoloration. Visibly firms & improves elasticity. | Paula's Choice 25% Vitamin C+ Glutathione Clinical Serum, 1 fl. oz | Dermstore