Hydration Boost Concentrate is a botanical hyaluronic acid and plant antioxidant complex. This innovative new, oil-free and es-sential oil-free hydration and antioxidant con-centrate works in synergy with the Hydrating Accelerator to further boost skin cell hydration and support skin rejuvenation. By delivering a precise amount of botanical hyaluronic acid, moisture-attracting humectants, and rich phy-tonutrient actives, this serum works instantly to support vital skin function, increase skin water level, improve circulation and skin texture, and help slow decline of the skin. Instantly leaves skin firm, plump, and visibly hydrated.