Size: 1 fl oz. Instantly firms and tightens skin to reduce wrinkles. This concentrated multi-defense, anti-aging, fast-absorbing serum is a unique blend of active ingredients that target specific aging issues and prevent damage from free radicals. The cellular anti-aging collagen face serum has been formulated by using extremely small molecules, that penetrate deeply into the skin. Regular use of this serum will improve the skin’s elasticity, even out skin tone and texture.