ALASTIN HA Immerse Serum helps deliver immediate and long-lasting hydration. This hydrating serum is designed to immerse your skin in deep. long-lasting moisture. Powered by cutting-edge peptides and hyaluronic acid. it works to enhance the skin's hydration levels. leaving your complexion plump. smooth. and radiant. Perfect for daily use. this serum helps to improve the appearance of fine lines and wrinkles while supporting the skin's natural barrier function.