Search Interest for PDRN Skincare Ingredient Surges, Studies Show Cautious Optimism
Search interest for PDRN ('salmon DNA') has surged dramatically in the U.S. New research suggests promising results for reducing wrinkles and improving skin elasticity, but findings are considered preliminary.
Search interest for PDRN and related skincare products has seen a significant increase in the U.S. over the past year. Google Trends data indicates a 650% rise in search interest for PDRN, with queries for "pdrn cream" climbing by 371%. Concurrently, searches for the less precise "salmon DNA" term have declined.
PDRN, or polydeoxyribonucleotide, refers to DNA fragments traditionally derived from salmonid sources, leading to the common "salmon DNA" moniker. While attention-grabbing, this name does not accurately describe the ingredient's function. Consumers appear to be shifting towards using the more precise, clinical product names.
A 2026 study published in PLOS ONE demonstrated promising results with a PDRN eye cream. In a trial involving 31 women, the PDRN cream reduced the area of crow's feet wrinkles by 20-23% and significantly improved skin elasticity and thickness compared to retinoids. A 2026 systematic review identified several small studies supporting PDRN's potential for skin rejuvenation and wound healing, but emphasized the need for larger, more consistent trials.
It is important to distinguish between topical PDRN creams and injectable PDRN treatments. While injectable PDRN fillers have their own clinical evidence for improving skin elasticity and hydration, they are not directly comparable to cosmetic products applied to the skin's surface. Post-laser hair removal or electrolysis, the skin is sensitive, and experts like Aleya Bamdad, Founder & CEO of Laser by Aleya, recommend a cautious introduction of new active ingredients, including PDRN products, after treatment.