What Is PDRN in Skincare — And Why Most of It Comes From Salmon

PDRN is polydeoxyribonucleotide. Which is a very long word for something that's actually straightforward.
It's made of small DNA fragments. And the reason skincare cares about it comes down to what happens when those fragments meet your skin cells.

Your skin cells have receptors called adenosine A2A receptors. When PDRN binds to them, it triggers a repair response — the cell starts producing more collagen, inflammation settles down, renewal speeds up. The signal it sends is essentially: it's time to fix things.

This isn't new science. PDRN has been used in wound healing and medical tissue regeneration for years. Korean beauty just figured out how to put it in a bottle people use every morning.

So where does it actually come from?

This is the part most brands skip over.
The PDRN in the majority of Korean skincare products — and most global products that contain it — is extracted from salmon milt. That's the sperm-containing fluid of male salmon.

From a pure chemistry standpoint, it works. Salmon DNA is close enough to human DNA that the fragments bind to the same receptors and trigger the same repair response. That's not in dispute.

But for a lot of people — those following plant-based or vegan routines, or those who've just started reading ingredient labels more carefully — this is uncomfortable information. And for Indian consumers specifically, who are increasingly particular about the sourcing and ethics of what goes on their skin, it's a real consideration.

So the question the industry had to answer: is there a version of PDRN that isn't derived from salmon?

Vegan PDRN — not a substitute, an upgrade

The answer is yes. And the version that exists doesn't ask you to trade efficacy for ethics.

Centella Reversa™ is a patented ingredient that delivers vegan PDRN grown from Centella asiatica plant stem cell cultures — the same plant behind the CICA active that's been huge in K-beauty for years. No animal involvement. 100% natural origin. COSMOS approved and preservative-free.

In independent testing, it outperformed salmon-derived PDRN by 7% on cell renewal. So it's not a compromise version. It's a better one.

What this means for Indian skin

Indian skin has a melanin-rich composition that reacts differently to inflammation — specifically, any skin disruption has a stronger tendency to leave lasting dark marks. PIH, or post-inflammatory hyperpigmentation, is the mechanism behind this.

The anti-inflammatory action in Centella Reversa™ — reducing redness by up to 45% in 28-day clinical testing — directly addresses this. Less inflammation means fewer triggers for the pigmentation response that's so common in Indian skin.

It's the reason this ingredient is at the centre of Zen Fusion. Not because vegan PDRN is a trending term, but because it's the right active for what Indian skin actually needs — and it happens to be cruelty-free.

The next blog goes into the specific ingredient — what Centella Reversa™ is, how the exosome delivery system works, and what makes it structurally different from anything else currently in skincare.