This radiance revealing serum’s silky texture forms a light layer over the skin. At the heart of the formula, the high molecular weight hyaluronic acid with plumping and moisturizing properties, is combined with optimized Vitamin C renowned Vitamin C is known to stimulate collagen synthesis, to unify the complexion and to revive its radiance. This serum also contains a brightening citroflavonoid-based active ingredient to boost the effects of the Vitamin C and to enhance radiance. Dermatologically tested.