eCosmetics is an authorized retailer of Perricone MD Vitamin C Ester Brightening Serum is a powerful, multi-tasking formula targeting uneven skin tone and discoloration. This light and refreshing herbal-citrus vitamin C serum for face features Vitamin C Ester, a more potent and less irritating form of vitamin C. This serum promotes the appearance of collagen-rich skin by visibly smoothing, brightening and minimizing discoloration. Our potent and best Vitamin C serum also contains squalene and rosemary leaf extract to hydrate, visibly reduce fine lines and tighten the appearance of skin. Our recommendation for when to use Vitamin C serum is after cleansing and before your favorite Perricone MD moisturizer. What It DoesDelivers a brighter, more radiant-looking complexion. Promotes a more evened skin tone with improved clarity. Provides an instant boost of luminosity and glow. What To ExpectDue to the science and compounds used in our products the feel and scent may vary.Texture:u00a0SerumConsistency:u00a0LightweightScent:u00a0Citrus