PDRN: The Viral Korean Ingredient That's Quietly Rebuilding Your Skin Overnight

What Is PDRN And Why Is Everyone Talking About It?

If you’ve been anywhere near the skincare internet lately, you’ve seen PDRN.
From serums and ampoules to glass-skin routines and K-beauty hauls, it’s everywhere - and for once, the hype is backed by real science.

So, what exactly is it?

PDRN stands for Polydeoxyribonucleotide. In simple terms, it’s a chain of DNA fragments known for its regenerative properties. It works by interacting with A2A adenosine receptors in the skin, helping support collagen production, accelerate repair, and aid in wound healing.

This isn’t a moisturiser. This isn’t an exfoliant.
PDRN is a cell-communicating ingredient - and that distinction changes everything.

Originally used in clinical settings in South Korea for post-procedure recovery and wound healing, PDRN has been studied for decades. What’s new is its entry into everyday skincare, making advanced skin-repair technology more accessible than ever.

How Does PDRN Actually Work on Your Skin?

Your skin is full of receptors-  tiny communication points that respond to specific biological signals. PDRN interacts with A2A adenosine receptors, which are involved in tissue repair and anti-inflammatory responses.

When PDRN binds to these receptors, it helps trigger a cascade of regenerative processes - supporting collagen production, encouraging tissue repair, and helping calm inflammation. Rather than forcing the skin to behave unnaturally, it works by supporting functions the skin already knows how to perform.

Think of it as a signal your skin has been waiting for.

This is precisely why PDRN was used in clinical settings for years before making its way into our skincare. It works at a deeper, cellular level - not just on the surface.

The result? Skin that feels not just treated, but visibly healthier and more resilient over time.

What Can PDRN Really Do for Your Skin?

Because PDRN works at a cellular signalling level, its benefits go beyond surface-level care:

• Collagen support: PDRN helps stimulate collagen production over time, improving skin firmness and softening the appearance of fine lines.
• Wound healing & scar repair: One of its most well-documented uses in clinical settings. PDRN supports the skin’s natural repair processes, making it especially beneficial for post-procedure recovery and acne-prone skin.
• Anti-ageing support: By supporting cellular communication and repair mechanisms, PDRN addresses underlying processes associated with skin ageing - rather than simply masking visible signs.
• Calming inflammation: Through interaction with A2A receptors, PDRN helps reduce redness, sensitivity, and chronic irritation.
• Barrier repair: Ideal for compromised skin, PDRN supports barrier recovery - especially in cases of over-exfoliation or environmental stress.
• Source-specific benefits: Interestingly, the source of PDRN can influence its additional effects. For instance, licorice-derived PDRN may offer brightening benefits, while centella-derived variants can enhance calming and soothing properties.

This multi-level functionality is what sets PDRN apart - it doesn’t just treat one concern, it supports overall skin health.

PDRN vs Other Skincare Ingredients - Is It Better?

The honest answer: it depends on what you’re comparing it to.

As our founder puts it, “Some ingredients don’t operate at the same level as PDRN - but there are others that are equally advanced, like retinol, adenosine, peptides, and exosomes. PDRN works best as a supportive, nutrient-setting ingredient. When paired correctly, the results can be significantly enhanced.”

Take retinol, for example - widely considered a gold-standard ingredient, known for its ability to accelerate cell turnover and support collagen production. Adenosine also interacts with receptor pathways linked to skin repair, while exosomes are gaining attention for their role in cellular regeneration.

These ingredients aren’t inferior to PDRN- they’re peers, each with distinct mechanisms and strengths.

Where PDRN stands out is in how well it works in combination. When paired with ingredients like retinol, it can help support skin recovery while enhancing overall results. Advanced delivery systems, such as microencapsulation, can further improve how effectively these actives penetrate and perform.

A great example of this in action is our Cica Reedle PDRN Essence - a formula that combines PDRN with a micro-needling effect. It’s PDRN working exactly as it should: not alone, but as part of a system where ingredients work better together.

How to Use PDRN the Right Way

Two key factors influence how effective a PDRN product can be: its concentration and how you use it within your routine.

On Concentration:

Formulation strength plays an important role. While lower concentrations may still offer supportive benefits, higher concentrations - often in the range of 1,000 to 10,000 ppm - are typically associated with more noticeable results. If you’re choosing a PDRN product, it’s worth paying attention to how it’s formulated rather than just the ingredient list.

On Application Order:

PDRN is best applied early in your routine, ideally right after cleansing. Applying it before heavier serums, actives, or moisturisers allows it to sit closer to the skin and perform more effectively.

On Format:

 Although PDRN is now being included across a variety of products - from cleansers to moisturisers - leave-on formats like serums or pre-serums tend to be the most effective. These formats allow for better contact time with the skin, which can support overall performance.

How Long Does PDRN Take to Show Results?

PDRN works by supporting the skin’s natural repair processes - which means results tend to build gradually over time, rather than appearing overnight.

• Weeks 1-2: Skin may begin to feel calmer and less reactive. Its anti-inflammatory effects are often one of the earliest noticeable changes.
• Weeks 4-6: Early visible improvements can start to appear - smoother texture, improved hydration, and a more rested look overall.
• Weeks 8-12: With continued use, more noticeable changes in skin quality may develop, including improved firmness and a softer appearance of fine lines.
• Up to 24 weeks: Longer-term use may support more significant improvements in overall skin health and resilience.

It’s important to note that timelines can vary depending on the formulation, concentration, and your overall routine. Higher-strength formulations may deliver results more efficiently, while lower concentrations can take longer to show visible changes.

Things You Should Know Before Using PDRN

Before adding PDRN to your routine, there are two key things worth understanding:

1. Know the Source

PDRN has traditionally been derived from salmon DNA, but plant-derived alternatives are now emerging across skincare formulations. These can include sources like centella asiatica, licorice, rice, rose, and even truffle.

The source can influence more than just formulation philosophy. Different derivatives may offer complementary benefits depending on their origin. For instance, licorice-based variants are often associated with brightening properties, while centella-derived versions are known for their calming and soothing effects.

As our founder explains, “Where the ingredient is derived from can shape the additional benefits you see alongside its core repair function.”

So when choosing a PDRN product, it’s worth asking: what is the source, and does it align with your skin concerns?

2. Know the Concentration

Concentration plays a key role in how effective a PDRN product may be. While lower concentrations can still contribute to overall skin support, higher-strength formulations are typically associated with more visible results over time.

Rather than focusing on a fixed number, look for brands that are transparent about their formulation and positioning. Understanding both the source and the concentration can help you make a more informed choice.

Pregnancy & Lactation: What You Need to Know

When it comes to pregnancy, caution is always key - especially with newer skincare ingredients.

Topical PDRN:

Based on current research, topical use of PDRN is generally considered low risk, with no established evidence linking it to harm during pregnancy. However, studies in this area remain limited.

Injectable PDRN (in-clinic treatments):

These are not recommended during pregnancy. As elective procedures, they are best avoided during this time.

As our founder notes, “When it comes to pregnancy, it’s always best to be mindful of introducing any new, active treatments - especially those that work at a cellular level.”

It’s important to remember: a lack of evidence of harm is not the same as confirmed safety.

Our Recommendation:

If you’re already using a topical PDRN product and feel comfortable continuing, current data does not indicate a known risk. However, if you’re considering introducing PDRN into your routine during pregnancy, it’s best to consult your doctor first - as you would with any new skincare active.

Ready to Try PDRN?

Incorporating PDRN into your routine starts with choosing a formulation that’s both thoughtfully concentrated and effectively delivered.

Our Cica Reedle PDRN Essence, formulated at 10,000 ppm, is designed to be used immediately after cleansing - allowing it to work in sync with your skin from the very first step.

Because in skincare, it’s not just what you use - it’s how well you understand it.