Babor's Doctor Babor Lifting RX Comfort Vitamin C visibly brightens and smooths skin for a reinvigorated complexion without the look of age spots, hyperpigmentation, fine lines and wrinkles. Specially formulated for sensitive skin, this serum includes a highly effective combination of vitamin C ester, which is a stable form of vitamin C, as well as hyaluronic acid and omega-3 fatty acids to even skin tone, moisturize, plump and strengthen the skin's natural protective barrier.