PDRN HYALUR ACID 100 MSTR CRM 2.02OZ. Benefits: The combination of PDRN, hyaluronic acid and collagen helps skin look plumper - delivering smooth, bouncy texture and a luminous, glass skin effect.. For normal skin. Fragrance-free. Key Ingredients: PDRN (Salmon DNA) : Boosts skin appearance through the synergy between key ingredients. HYALURONIC ACID : Provides deep hydration, keeping your skin soft and smooth. HYDROLYZED COLLAGEN : Helps to maintain the skin's moisture barrier. Research Results: Skin irritation test completed. 122.31% improvement in skin moisture. 108.10% imporvement in absorption. 10.79% improvement in moisture plumping effect.