PDRN - short for polydeoxyribonucleotide - is a mix of DNA fragments, most often purified from salmon or trout sperm. It became popular in Korea as an in-clinic treatment after procedures like laser and microneedling, and it now appears in serums and creams marketed for skin repair, firmness and glow. Because it’s typically fish-derived, standard PDRN is not vegan.
Here’s what PDRN actually is, what the research does and doesn’t show, and the plant-based ingredients you can use for similar goals.
Key Takeaways
• PDRN is a mixture of DNA fragments, usually sourced from salmon or trout - so it’s an animal-derived ingredient.
• Most of its research comes from wound healing and in-clinic use, not from topical creams and serums.
• DNA fragments are large molecules, so how much a topical product delivers into skin is still an open question.
• “Vegan PDRN” is now marketed too, made from plant or microbial DNA - check the label rather than the name.
• Plant-derived ingredients like rosehip oil, hyaluronic acid, bakuchiol and plant peptides can be used for similar goals: hydration, texture, firmness and barrier support.
What Is PDRN?
PDRN is a purified mixture of short DNA chains. It was first isolated from human placenta, but commercial PDRN today is almost always extracted from the sperm (milt) of salmon or trout, then filtered and purified. That’s where the “salmon sperm facial” and “salmon DNA skincare” headlines come from.
You’ll also see PN (polynucleotides) on labels and in clinic menus. PN and PDRN come from the same source; the difference is mainly the length of the DNA chains.
On an ingredient list, PDRN usually appears as sodium DNA or sodium polydeoxyribonucleotide.
What Does PDRN Do for Skin?
In lab and clinical research, PDRN works mainly through a receptor called adenosine A2A. As the DNA fragments break down, they release compounds that activate this receptor, which is involved in tissue repair, new blood vessel formation and calming inflammation. PDRN also provides building blocks that cells can recycle when they divide.
That research is the reason PDRN is used in medicine for wound healing, and in Korean clinics as a “skin booster” injected or applied after procedures.
In skincare marketing, that translates into claims around:
• Skin repair and recovery - especially after exfoliation or in-clinic treatments
• Firmness and elasticity - linked to collagen-support research
• Hydration and glow - the plump, dewy finish associated with glass skin
• Calming - reducing the look of redness
Does Topical PDRN Actually Work?
This is where it’s worth being careful. Most of the published evidence for PDRN comes from injections, wound-healing studies and lab models. There’s much less published research on PDRN in creams and serums used at home.
There’s also a practical question about delivery. DNA fragments are large, water-loving molecules, and the skin barrier is designed to keep large molecules out. That’s partly why PDRN is so often paired with microneedling in clinics - the procedure creates a route in.
None of this means PDRN serums do nothing. They can still be pleasant, hydrating formulas. But the strong results you see from in-clinic PDRN aren’t automatically what you’ll get from a topical product.
Is PDRN Vegan?
Standard PDRN is not vegan. It’s extracted from fish, so any product using salmon- or trout-derived PDRN is animal-derived, however the brand describes it.
Newer “vegan PDRN” or “plant PDRN” ingredients are made from plant or microbial DNA instead. These are a different ingredient with their own, smaller body of research. If plant-based formulation matters to you, check the ingredient list and the brand’s sourcing statement rather than relying on the name on the front of the pack.
Cruelty-free is not the same as vegan. A product can carry a cruelty-free mark and still contain fish-derived PDRN.
Plant-Based Alternatives to PDRN
No single plant ingredient does exactly what PDRN does. But you can build a routine around similar goals using plant-derived ingredients with published research behind them.
|
What you want from PDRN |
Plant-derived alternative |
Why it’s used |
|
Hydration and plumpness |
Hyaluronic acid |
Binds water in the upper skin layers for a plumper, smoother look |
|
Repair, texture and marks |
Cold-pressed rosehip oil |
Naturally rich in linoleic acid and contains vitamin A compounds; widely used for the look of texture and marks |
|
Firmness and elasticity |
Plant peptides and vegan collagen amino acids |
Support the look of firmer, bouncier skin |
|
Renewal and smoothness |
Bakuchiol |
A plant-derived ingredient often used as a gentler retinol alternative |
|
Glow and even tone |
Vitamin C |
Supports a brighter, more even-looking complexion |
|
Barrier comfort |
Plant-derived squalane |
Mimics skin’s own lipids without heaviness |
Hyaluronic acid - for the plump, hydrated look
Much of what people notice from PDRN products day to day is hydration. Hyaluronic Acid+ Ultra Serum on damp skin, sealed with Hyaluronic Acid+ Water Cream, targets that plump, dewy finish with a plant-derived humectant.
Rosehip oil - for texture and the look of marks
Cold-pressed rosehip oil is a long-standing plant-based choice for uneven texture and marks. Certified Organic Rosehip Oil is unrefined and cold-pressed from wild-harvested Rosa canina; Rosehip Oil Antioxidant+ adds extra antioxidants for a more targeted version.
Plant peptides - for firmness
If firmness is the reason you’re interested in PDRN, peptides are a plant-based route. Pro-Collagen+ Power Serum combines vegan collagen amino acids with a ginseng-derived peptide and a chlorella-derived peptide to support the look of firmer, bouncier skin.
Bakuchiol - for renewal
Rosapene™ Bakuchiol Oil brings bakuchiol together with rosehip oil for an evening step focused on smoothness and renewal - an option often chosen by people who find retinol too strong.
PDRN vs Snail Mucin: What’s the Difference?
Both are animal-derived K-beauty ingredients associated with repair and glow, which is why they’re often compared.
• Snail mucin (snail secretion filtrate) is a complex mix of compounds, used mainly for hydration and barrier comfort.
• PDRN is a specific, purified ingredient - DNA fragments - with a clearer mechanism in clinical research, but less evidence for topical use.
Neither is vegan. If you’re avoiding both, the same plant-based approach works for each: a humectant like hyaluronic acid for hydration, plus a plant oil for repair and barrier support. Our guide to [snail mucin alternatives] goes into more detail.
How to Build a Routine Without PDRN
Morning
1. Gentle cleanse - Rosehip Cream Cleanser or Vitamin C Cleansing Mousse
2. Hydrating toner on damp skin - Hydrating Mist Toner
3. Serum - Hyaluronic Acid+ Ultra Serum for hydration, or Pro-Collagen+ Power Serum for firmness
4. Moisturizer - Hyaluronic Acid+ Water Cream
5. SPF - SPF 60+ Omega-Boost Sheer Mineral Sunscreen, applied in the morning and reapplied throughout the day as directed
Evening
1. Oil cleanse - Rosehip Transformation Cleansing Oil or Melt Away Make-up Balm
2. Water-based cleanse - Rosehip Cream Cleanser
3. Toner on damp skin - Hydrating Mist Toner
4. Serum - Hyaluronic Acid+ Ultra Serum
5. Treat - Certified Organic Rosehip Oil or Rosapene™ Bakuchiol Oil
6. Moisturize - Replenishing Night Cream or Rosapene™ Night Cream
Weekly
• Exfoliate once or twice - Vitamin C Microdermabrasion
If a fully vegan routine is the goal, check the ingredient list of every product - some moisturizers and balms across the wider category contain honey, beeswax or lanolin.
What to Check on the Label
• “Sodium DNA” or “sodium polydeoxyribonucleotide” is how PDRN usually appears. “Polynucleotides” or “PN” is the closely related version.
• Source matters. Salmon or trout DNA is animal-derived. Plant or microbial DNA is a different ingredient - look for a clear sourcing statement.
• Cruelty-free is not vegan. Check for both if both matter to you.
• In-clinic is not the same as at-home. Results from injected or microneedled PDRN don’t automatically carry over to a topical serum.
• Patch test any new product, whatever its hero ingredient.
Frequently Asked Questions
What is PDRN in skincare? PDRN (polydeoxyribonucleotide) is a purified mixture of DNA fragments, usually extracted from salmon or trout. In skincare it’s marketed for skin repair, firmness, hydration and glow, and it’s often used in Korean clinics after procedures like microneedling.
Is PDRN vegan? Standard PDRN is not vegan, because it’s extracted from fish. Some brands now offer “vegan PDRN” made from plant or microbial DNA, which is a different ingredient - check the ingredient list and sourcing statement.
Is PDRN really from salmon sperm? Yes, most commercial PDRN is purified from the sperm (milt) of salmon or trout. The DNA is filtered and purified before use, so it doesn’t resemble the raw material.
Does topical PDRN work? Most PDRN research comes from injections, wound healing and lab studies. There’s much less published research on creams and serums, and DNA fragments are large molecules, so how much a topical product delivers into skin is still an open question.
What’s the difference between PDRN and PN? Both are made from the same fish-derived DNA. The difference is mainly the length of the DNA chains - PN (polynucleotides) uses longer chains than PDRN.
What is a plant-based alternative to PDRN? No single ingredient does the same job, but you can target similar goals with plant-derived ingredients: hyaluronic acid for hydration, rosehip oil for texture and marks, plant peptides for firmness and bakuchiol for renewal.
Is PDRN the same as snail mucin? No. Snail mucin is a snail secretion used mainly for hydration and barrier comfort. PDRN is purified fish DNA with a more specific mechanism. Both are animal-derived and neither is vegan.
