A deeply drenching finishing serum replete with hyaluronic acid formulated to flood all skin types, even the driest and most sensitive, with profound yet lightweight hydration, while expertly sealing in and intensifying the benefits of other treatment products. Seaweed and algae extracts enhance cell turnover, while safeguarding skin from environmentally triggered trauma and strengthening its natural defenses to help prevent future damage. This inspired, innovative and supremely comfortable serum also firms skin and effectively eases the appearance of lines and wrinkles.