Shop for Foundation online at Macys.com. The present formula was originally created for the medical market to give patients with bumpy or irregular skin a smoother skin surface. This product lays down a smoother layer of second skin that smoothes out skin irregularities and fine lines. The present is essentially a clear makeup for flawless skin. It is formulated to be used as a last step prior to any makeup to form an invisible barrier that seals in moisture for chronically dry skin and active ingredients from treatment products. It keeps out harmful environmental elements by acting like an invisible band-aid. It also contains lysozyme, a natural antimicrobial agent to keep skin radiantly clear.