This silky, fast-absorbing treatment powered by 3 forms of vitamin C, lactic acid, and tranexamic acid is clinically proven to visibly firm the delicate eye area and reduce the appearance of puffiness, dark circles, crepiness, and fine lines in just 1 week. Note: Vitamin C is an essential vitamin that helps visibly improve skin density and is associated with healthy collagen levels. USAGE RESTRICTIONS Caution: Use only as directed. Sunburn Alert: This product contains alpha hydroxy acid(s) (AHAs) that may increase your skin's sensitivity to the sun and particularly the possibility of sunburn. We recommend daily use of a sunscreen, whether or not you use this product, to protect your skin from the risks associated with sun exposure.