Rediscover your skin's youthful capacity with Dr Dennis Gross Skincare C + Collagen Brighten & Firm Vitamin C Serum, a weightless gel-serum that targets visible signs of ageing to leave the complexion looking smooth & glowing. Melting quickly into skin, the lightweight formula combines the brand's proprietary Vitamin C 3-oC Technology with Collagen Amino Acids & an Energy Complex to instantly brighten & smoothen the appearance of skin. It helps to improve the look of wrinkles whilst alleviating dark spots to promote a more even skin tone. After use, the complexion looks brighter & energised with enhanced firmness, radiance & texture. Never tested on animals.