This antioxidant formulation combines maximum strength pure vitamin C and pure vitamin E to strengthen skin, minimizing the appearance of fine lines and wrinkles. Maximum concentration of pure vitamins C and E delivers unmatched results Minimizes fine lines and wrinkles, and evens skin tone Stronger, smoother skin seen in as little as one week For those who can tolerate 20% pure vitamin C that delivers optimal results Easy Application Steps Apply a pea-sized amount to the face and neck in the morning after cleansing, toning and applying any PCA SKIN® treatment serums. You might experience a slight tingling sensation upon application. Follow with the appropriate PCA SKIN broad spectrum SPF product in the daytime and moisturizer in the evening SKIN TYPES Combination Dry Normal Oily SKIN CONCERNS Aging Discolorations Preventative