Ingredient Library PDRN

Ingredient Profile

PDRN

INCI

Polydeoxyribonucleotide

Also known as
PDRN, Ginseng-derived PDRN, Plant-derived PDRN
01

What it is

Meet PDRN.

PDRN stands for polydeoxyribonucleotide, a purified collection of DNA fragments rather than a single peptide, vitamin, or conventional botanical extract. The fragments are built from deoxyribonucleotides, the same molecular building blocks found in DNA, but PDRN is used for the biological activity associated with those fragments rather than as genetic material.

Historically, much of the published PDRN literature has centered on material purified from salmonid sources. More recently, researchers have investigated plant-derived PDRN, including material isolated from cultured Panax ginseng roots, as an alternative source. In experimental skin models, purified ginseng-derived PDRN has demonstrated activity associated with keratinocyte and fibroblast proliferation, barrier-related proteins, and skin recovery pathways.

Alchemy 21/12 uses ginseng-derived PDRN. For us, the source matters, but so does the molecular identity: this is still polydeoxyribonucleotide, not simply “ginseng extract” dressed up with a biotechnology name.

That distinction is important. PDRN is interesting because of the DNA fragments themselves. The plant is the source, not the mechanism.

02

What it does

What it brings to the formula.

PDRN is interesting because it appears to support skin through more than one biological route at once.

One is adenosine signaling. PDRN has been shown to influence A2-type adenosine receptors, including A2A signaling associated with cellular repair responses. In human skin fibroblast cultures, PDRN increased cell proliferation, with the effect linked at least in part to activation of A2 purinergic receptors.

The second is the nucleotide salvage pathway. As PDRN is broken down, its nucleotide components can be recycled by cells rather than synthesized entirely from scratch. That gives stressed or actively remodeling tissue access to molecular building blocks used in nucleic-acid synthesis. It is one reason PDRN is studied so heavily in regeneration rather than simply hydration or antioxidant care.

In skin-specific laboratory research, PDRN has also been shown to affect keratinocytes and dermal fibroblasts differently, increasing proliferation while influencing pathways tied to collagen regulation and inflammatory signaling. That matters because healthy skin recovery is not one cellular event. The epidermis and dermis have different jobs, and PDRN appears capable of participating in both conversations.

Most relevant to the material we use, research on PDRN isolated from cultured Panax ginseng roots found effects associated with skin-cell regeneration and improved barrier function in experimental models, supporting plant-derived PDRN as more than simply an alternative source story.

Cosmetically, that puts PDRN squarely in our recovery lane: supporting skin that looks better hydrated, more resilient, smoother, and better able to maintain a healthy-looking barrier over time. It is not interesting to us because DNA sounds futuristic. It is interesting because skin knows how to reuse the pieces.

03

Why we use it

The Alchemy rationale.

We use PDRN because recovery is not one thing. Skin can need water, barrier support, cellular resources, and a better environment for repair at the same time. PDRN fits that philosophy because it belongs naturally in formulas designed around restoration rather than aggression.

We also like that PDRN can play different roles depending on the system around it. In Crystal PDRN Glass Serum, it lives inside a highly hydrating, luminosity-focused formula where the immediate experience is slip, water retention, cushion, and glassy finish. In Recover-Me 3S CORRECTV Complex, PDRN sits inside a much more corrective nighttime system alongside camellia-derived extracellular vesicles and a targeted peptide stack.

Same ingredient. Different job description.

That distinction matters to us because we do not formulate around ingredient checklists. We formulate around the outcome we want from the finished product, then decide where an ingredient contributes something meaningful to that system.

The ginseng-derived source is another deliberate choice. It allows us to work with PDRN without relying on the traditional marine source, while still formulating around the polydeoxyribonucleotide itself rather than pretending the source plant is doing the biological heavy lifting.

And perhaps most importantly, we do not use PDRN because “DNA skincare” sounds futuristic. We use it because the underlying biology gives us a credible reason to place it in formulas built around hydration, recovery, resilience, and long-horizon skin quality.

The ingredient earns its place twice: once in the literature, and again in the finished formula.

From the Bench

Formulation matters.

PDRN is not a material we treat as a box-checking active. The source, fragment profile, purity, concentration, and finished delivery system all matter.

PDRN is a population of DNA fragments rather than one identical small molecule, and newer plant-derived materials add another variable: not every ingredient marketed under the PDRN umbrella is necessarily the same raw material. Research on purified Panax ginseng-derived PDRN demonstrated biological activity in skin models, but for formulation purposes we still care about the identity of the material actually entering our beaker, not simply the acronym printed on the specification sheet.

Topical delivery is part of the formulation problem. PDRN is substantially larger and more complex than many conventional cosmetic actives. Researchers are actively studying delivery systems designed to improve its movement into and retention within skin. In one recent study, nanoliposomal PDRN produced greater skin permeation and retention than free PDRN while also improving its stability. That does not mean every PDRN formula needs a liposome. It does mean the vehicle cannot be treated as irrelevant.

That is one reason we give PDRN two very different homes at Alchemy 21/12.

In Crystal PDRN Glass Serum, it sits inside a hydration-first system built to create water retention, slip, cushion, and luminosity while PDRN contributes to the longer-horizon recovery story.

In Recover-Me 3S CORRECTV Complex, the environment changes completely. There, PDRN joins camellia-derived extracellular vesicles and a multi-peptide signaling system inside a plush nighttime formula designed around recovery rather than immediate glass-skin finish.

Same biotechnology. Different formulation brief.

We also resist the temptation to make PDRN carry claims that belong to the finished formula. A beautiful texture, immediate plumping, hydration, and glow can come from the complete humectant and polymer system around it. PDRN earns its place for a different reason: it gives that immediate cosmetic experience a biologically interesting long-game partner.

The acronym may get the attention. The formulation decides what happens after that.

04

Research context

What the evidence can tell us.

PDRN has a deeper medical and regenerative literature than its current skincare popularity might suggest, but route of administration matters enormously.

Some of the strongest human evidence for PDRN comes from wound-healing research, not cosmetics. In a randomized clinical trial involving chronic diabetic foot ulcers, PDRN given by intramuscular and perilesional injection improved complete healing rates and wound closure compared with placebo over eight weeks. That is meaningful evidence for the biological activity of PDRN, but it is not evidence that a topical facial serum produces the same effect.

The evidence becomes more directly relevant to skincare when we look at skin-cell and tissue models. In research using PDRN isolated from Panax ginseng adventitious roots, the material increased keratinocyte and fibroblast proliferation and upregulated markers associated with extracellular matrix support and barrier function. The same study also demonstrated barrier-related effects in a 3D skin model and linked the response to adenosine A2A signaling.

That is particularly important for us because it means plant-derived PDRN is no longer just a sourcing concept. Ginseng-derived PDRN has its own experimental skin biology behind it. What it does not yet have is the depth of human topical data accumulated around more established cosmetic ingredients.

Topical evidence is beginning to emerge for the category. A 2025 study of low-molecular-weight PDRN derived from Paeonia lactiflora found that topical use improved barrier recovery after experimentally induced skin damage in a small human study of 10 participants, and also reported improvement in periorbital elasticity. That study used peony-derived PDRN, not the ginseng-derived material we formulate with, so we treat it as supportive evidence for the topical potential of plant-derived PDRN rather than proof for our specific raw material.

Delivery remains one of the biggest unanswered formulation questions. PDRN is not a tiny conventional active, and researchers continue to investigate ways to improve its movement through skin. In one study, nanoliposomal PDRN increased both skin permeation and retention compared with free PDRN, reinforcing the point that the vehicle matters when the molecule is this complex.

Our read of the evidence: PDRN has credible regenerative biology, strong mechanistic support, meaningful therapeutic evidence by injection, increasingly persuasive skin-model data, and an emerging but still limited topical human literature. The evidence for ginseng-derived topical PDRN specifically is promising, not finished.

That is exactly how we formulate with it: interested enough to take it seriously, disciplined enough not to borrow claims from an injection and paste them onto a serum.

The science is ahead of the marketing in some places and behind it in others. Our job is to know which is which.

Found in the Formulary

Formulas featuring PDRN.

The ingredient is only one part of the finished formula. Dose, compatibility, delivery, preservation, packaging, and the surrounding system determine how it ultimately performs.

Founder Reviewed

Ingredient education from the formulation bench.

Alchemy 21/12 ingredient profiles examine ingredients in the context of finished cosmetic formulation, where dose, compatibility, stability, delivery, and the surrounding formula matter as much as the ingredient itself.

Jen Valenti · Founder + Formulator