barrier repair
PDRN
피디알엔 · PDRN
Also known as: Polydeoxyribonucleotide, Salmon DNA
What it actually does
A salmon-derived ingredient that supports the skin's own repair process, helping tired or stressed skin look fresher.
How to use it
Best in a serum or ampoule at night, on freshly cleansed skin. Give it 8–12 weeks of consistent use.
The science, in plain English
A DNA fragment derived (typically) from salmon, studied for supporting skin regeneration and elasticity.
Myth vs reality
It is not a needle-only ingredient — topical PDRN skincare works differently to in-clinic injections.
Pairs well with
- Peptides
- Ceramides
- Panthenol
Don't layer with
- Strong AHAs/BHAs in the same routine step
Shop products with PDRN
No products in our catalog are tagged with this ingredient yet — check back soon.