Lightweight, advanced serum for all skin types. The potent Vitamin C in this serum is stabilized by botanically-derived ferulic acid delivering antioxidants to help brighten skin, improve the look of fine lines and wrinkles, and reduce the appearance of free radical damage. Retail Size: 1 oz / 30 ml Apply 3-4 drops to cleansed skin once or twice daily. Leave on. May be followed with a moisturizer. Skin appears bright, firm and plumped The appearance of dry, red skin is reduced Visible signs of aging are diminished Eminence is constantly innovating our product formulations to deliver the best results.