Abib PDRN Glow Serum 4.0 Pump 30ml1. 4% High Potency Salmon DNA Derived PDRN: Formulated with 4% high potency Salmon DNAderived PDRN, this serum supports skin revitalization and helps improve skin elasticity and density. A skin turnover serum designed for dull, aging, and damaged looking skin. 2. Supports Skin Turnover & Revitalization: Helps promote the skins natural turnover cycle for smoother looking skin. Clinically tested to show a 22. 82% improvement in skin self revitalization