WHAT IT IS This super hydrating serum from Kate Somerville helps visibly repair and replenish dehydrated skin. 1 oz. Made in USA. WHAT IT DOES Hyaluronic acid combines with deeply moisturizing squalane to instantly deliver long-lasting hydration for dewy, luminous results. HOW TO USE IT Apply one to two drops in the morning or at night time to clean skin. INGREDIENTS Aqua/water/eau, Squalane, Glycerin, Ppg-24-Glycereth-24, Isosor. Center Core - Beauty > Saks Off 5th. Kate Somerville. Size: 1.0 Oz..