Puri PDRN is an Aeterderm skin booster that combines purified polydeoxyribonucleotide with non-crosslinked hyaluronic acid and niacinamide. It is used for elasticity, hydration, and tone on the face, neck, and hands, and is packed as five prefilled 2.5 mL syringes. Published concentrations are PDRN 5 mg/mL, non-crosslinked hyaluronic acid 25 mg/mL, and niacinamide 5 mg/mL.