What Is PDRN?
PDRN stands for polydeoxyribonucleotide, a high-molecular-weight fragment of DNA. While the name may seem complex, its role in skincare is straightforward: it helps repair and rejuvenate skin at the cellular level.
PDRN can be sourced from animal-derived DNA, most commonly extracted from salmon sperm, or from plant-derived sources. Salmon-derived PDRN and plant-based PDRN. Animal-derived PDRN is widely used in clinical applications due to its purity and consistent activity, while plant-derived PDRN provides a comparable regenerative effect, catering to ethical or formulation preferences.
This ingredient has gained popularity in professional treatments and high-end skincare products because of its potential to stimulate tissue repair and support skin regeneration, making it especially valuable for anti-aging and post-procedure recovery.
How PDRN Works?
PDRN works at the cellular level, primarily by stimulating fibroblasts, the cells responsible for producing collagen and elastin. By activating these cells, PDRN helps repair aged or damaged skin, restores elasticity, and improves firmness.
In addition, PDRN may enhances microcirculation, allowing oxygen and nutrients to reach skin cells more effectively. It also has anti-inflammatory properties, reducing redness and calming sensitive or irritated skin.
These mechanisms explain why PDRN is often included in hydrating injections, regenerative serums, and professional treatments aimed at skin rejuvenation. Its combination of tissue repair, circulation support, and inflammation reduction makes it a versatile ingredient for advanced skincare solutions.
Benefits for Skin
The practical benefits of PDRN have been observed both in clinical studies and real-world applications. Key benefits include:
Collagen and Elastin Production: Stimulates the skin's structural proteins, improving elasticity and smoothing fine lines.
2. Tissue Repair and Regeneration: Supports the recovery of damaged or aged skin cells.
3. Anti-Inflammatory Effects: Calms redness and irritation, making it suitable for sensitive skin.
4. Improved Skin Health: Enhances microcirculation and strengthens the skin barrier, promoting long-term resilience and vitality.
For skincare brands and professionals, PDRN offers a science-backed, high-value ingredient. Incorporating it into products or professional treatments allows brands to deliver both preventative and restorative benefits, appealing to clients seeking advanced, evidence-based skincare solutions.
Where To Buy?
To purchase PDRN, it is necessary to check whether the factory has the necessary qualifications and can provide professional documents such as COA. Also, it is important to determine the purity of PDRN. These are all criteria for judging whether a factory is qualified. Jinan Sinov Biotechnology Co., Ltd. has over 10 years of experience in manufacturing cosmetic raw materials and has 4 factories, 3 laboratories, and warehouses in Qingdao and Shenzhen to ensure inventory for export. If you need it, please contact our overseas sales manager.sinov@pharmachemm.com
Jinan Sinov Biotechnology supplies high-quality PDRN raw material powder
| No. | Test Item | Specification |
|---|---|---|
| 1 | Appearance | White or off-white solid, no visible debris and discoloration |
| 2 | Odor | No odor |
| 3 | Loss on drying | ≤15% (w/w) |
| 4 | pH | 6.0–8.0 |
| 5 | Ignition residue | ≤30% (w/w) |
| 6 | Heavy metals (as Pb) | ≤10 μg/g |
| 7 | Protein content | ≤1% (w/w) |
| 8 | Identify | The ratio of absorbance at 260 nm to 280 nm should be 1.8–2.0 |
| 9 | Content (by dry product) | ≥99% (w/w) |
| 10 | Average molecular weight | ≥1000 kDa |
| 11 | Molecular weight distribution | ≤2.0 |
| 12 | Transmittance | ≥99% |
| 13 | Color enhancement effect | >30% |
| 14 | Molar extinction coefficient | 13000–15000 |
| 15 | Cd | ≤5 mg/kg |
| 16 | As | ≤2 mg/kg |
| 17 | Hg | ≤1 mg/kg |
| 18 | Aerobic Bacterial Count | ≤100 cfu/g |
| 19 | Molds and Yeast Count | ≤50 cfu/g |
| 20 | Thermotolerant Coliform Bacteria | Negative |
| 21 | Staphylococcus Aureus | Negative |
| 22 | Pseudomonas Aeruginosa | Negative |
| 23 | Bacterial Endotoxin | <0.05 EU/mg |
Contact us now:sinov@pharmachemm.com
References and Supporting Sources
[1] Khan, A., Wang, G., Zhou, F., Gong, L., Zhang, J., Qi, L., & Cui, H. (2022). Polydeoxyribonucleotide: A promising skin anti-aging agent. Chinese Journal of Plastic and Reconstructive Surgery.
[2] Liu, Y., Hu, W., Pei, X., Zhu, J., Meng, H., Lyu, Y., & Qu, Z. (2025). Polydeoxyribonucleotide-spermidine nanoparticles: Preparation, characterization, and verification of skin anti-aging efficacy. International Journal of Biological Macromolecules.
[3] Gillette B.(2025). What Is PDRN Skincare, and Does It Actually Have Real Salmon Sperm in It? COSMOPOLITAN.
[4] The Inkey List. (2025). What is PDRN in Skincare: Benefits, Science, How It Works. The Inkey List.
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