L'Oreal Skincare Laboratories develop 1.5%Hyaluronic Acid Serum, our highest concentrationof Hyaluronic Acid to deeply hydrate skin layersfor plump and youthful skin.THE SCIENCE BEHIND HYALURONIC ACIDKnown to retain up to 1000x its weight in water, ithydrates and enhances skin natural radiance,Powered with 2 types of Hyaluronic Acid:1. MICRO — so small it goes deeper into skinepidermis to plump from within.2. MACRO — bigger to hydrate, protect andsmooth skin surface.VISIBLE RESULTSImmediately: Skin is deeply replenished andhydrated. It feels supple and smoother.In 1 week: Skin looks more youthful and bouncy.USAGEUse daily before your moisturizer. Avoid eyecontours.