Dermalogica’s Smart Response Serum targets and meets your skin’s unique needs for a visibly improved complexion. This lightweight gel-serum features advanced SmartResponse technology, which hydrates, brightens, firms, and soothes, adapting to what your skin requires most.Key ingredients include antioxidant-rich Japanese Cornelia Cherry and Oligosaccharides from Hydrolyzed Beta Glucan, which shield against environmental stressors. Niacinamide, Hyaluronic Acid, and Vitamin E work synergistically to reduce dark spots, redness, and fine lines, providing noticeable firming and smoothing benefits. Expect a more radiant and healthier-looking complexion with regular use of this innovative serum. Size:1oz