What it is: A lightweight, oil-free, non-comedogenic moisturizer with the potency of a serum. Who it's for: Normal, combination and oily skin types.What it does: Vitamin C is an essential vitamin that helps visibly improve skin density and is associated with healthy collagen levels. Lactic acid serves as a powerful delivery vehicle for other ingredients, as it increases their penetration into the skin, and thus their efficacy.Research results:In a consumer test on 28 subjects after 2 weeks use of use:- 92% of subjects saw healthier looking skin.- 92% of subjects saw brighter skin.- 89% of subjects saw more balanced and smoother skin. How to use: Massage two pumps into clean, dry skin. 1.7 oz. Cruelty-free Paraben-free; sulfate-free; Oil-free Made in the USA