Niacinamide Youth Serum is free of commonly used heavy silicones that sit on the skin preventing absorption. instead, this serum utilizes the healing properties of papyrus plant stem cells along with high and low weight hyaluronic acid to protect and nourish compromised skin. vitamin b3 improves blood flow, improves barrier function and controls oil production. this serum contains an unrivaled blend of active ingredients to improve skin barrier function, soothe sensitivity, target unwanted discoloration and reduce oil production – all while healing and protecting the skin.