Neostrata bio hydrating cream a highly emollient cream with potent polyhydroxy acids dedicated to reducing the visible signs of aging while providing long lasting hydration formulated with 15 gluconolactone and vitamin e this high strength emollient cream is designed to reduce the visible signs of aging and repair the barrier function of the skin providing long lasting moisturization gluconolactone inhibits the enzyme that can break down elastin so it helps preserve skin8217s ela