Absolue Ultimate Night BX Recovery & Replenishing Serum. Clinically Proven for Mature Skin. Accelerate Nightly Renewal. Restore Youthful Radiance. Skin Truth: The skin's cellular activity peaks at night. Time and hormonal fluctuations slow the cellular renewal process, intensifying the effects of aging. Lancôme Innovation: Pro-Xylane. A unique nighttime serum combining our highest level of Pro-Xylane, the replenishing Bio-network and Vigna Seed extract, which helps boost nightly cellular renewal.Pro-Xylane, clinically proven to reduce the appearance of creasing and wrinkles while increasing the appearance of skin density, acts deep in the skin's surface layer to restore essential moisture from within. 1 oz. Made in USA.