Brand new and unopened!! MONAT Hydration Booster™ Hyaluronic Serum Plus This ultra-hydrating hyaluronic acid face and neck serum replenishes skin’s natural moisture barrier, leaving skin feeling plump to the touch. FEATURES This oil-free, hydrating booster serum balances the skin’s natural moisture by combining concentrated pure hyaluronic and polyglutamic acid, vitamins, marine algae, and fruit extracts to leave your skin feeling plump and replenished. BENEFITS • Boosts hydration and visibly plumps skin • Moisturizes the skin for up to 8 hours • Leaves skin feeling softer, smoother and more supple • Protects against environmental aggressors • Can be used alone or as an added hydration boost to your favorite moisturizer