PDRN / Salmon DNA

PDRN / Polynucleotide. PDRN and related cosmetic polynucleotides are DNA-derived materials often listed as Sodium DNA or Hydrolyzed DNA. Reviews describe PDRN as acting through adenosine-related signaling and nucleotide salvage pathways; cosmetic evidence is still early and formula-specific.Benefitssupports recovery of stressed-looking skin (evidence: anecdotal)hydration and smoother appearance (evidence: anecdotal)Pairs well withhyaluronic acid, panthenol, ceramides, peptidesGood to knowMany strong PDRN claims come from procedures or medical literature, not ordinary cosmetics.Fish-derived sourcing may matter for allergy or vegan preferences.