Skinceuticals Metacell Renewal B3 is a lightweight daily emulsion designed to address early signs of aging while improving overall skin tone and texture. Powered by 5% niacinamide (vitamin B3), 2.5% firming tripeptide concentrate, and 15% glycerin, this advanced formula enhances skin elasticity, reduces the appearance of discoloration, and boosts hydration. With consistent use, it helps smooth fine lines and wrinkles, leaving the skin looking firm, even, and radiant.