Shop Eve Lom Intense Hydration Serum, 1-oz. online at Macys.com. Moisture does great things to your skin and Eve Lom Intense Hydration Serum is the master. Clinically proven to help increase your skin's moisture levels by up to 20% in just two hours, this simple but highly effective concentrate uses hyaluronic acid (which is also produced naturally in the body) to help smooth, plump, hydrate and protect your complexion. So, when your skin feels parched, help replenish your inner supplies and give your skin a long, cool drink of Eve Lom.