Exosomes vs Polynucleotides: Which Regenerative Treatment Wins?

Regenerative aesthetics has two headline acts: exosomes and polynucleotides. Both repair skin at a cellular level, both avoid the frozen or overfilled look, and both are frequently confused with each other. They are not interchangeable. Here is how they differ and how to choose.

The science, simply

Polynucleotides are purified DNA fragments delivered by injection. They act as long-range biostimulators: fibroblasts receive the signal and respond over weeks by producing new collagen and elastin. Their effect is structural and cumulative.

Exosomes are nano-sized vesicles packed with growth factors, proteins and RNA. Applied to skin opened by microneedling or RF microneedling, they deliver their payload directly into cells, accelerating healing, calming inflammation and visibly improving brightness within days. Their effect is fast and amplifying.

Head to head

• Best for structural repair: polynucleotides. Thin, crepey or sun-damaged skin rebuilds over a course of treatments.
• Best for speed and post-procedure recovery: exosomes. Redness and downtime after microneedling can be cut dramatically.
• Best for under-eyes: polynucleotides, which are injectable and licensed for the eye zone.
• Best for scarring and texture: exosomes layered over microneedling, which drives the channels that let them work.

Why the smartest protocols use both

In clinic we rarely treat these as rivals. A typical regenerative programme at The Enchara might pair RF microneedling with exosomes for rapid surface renewal, alongside injected polynucleotides for deep structural repair. The treatments target different layers and different mechanisms, so the results stack rather than overlap. You can read more about the philosophy in our regenerative aesthetics guide.

Frequently asked questions

Are exosomes injected?

In the UK, exosomes are applied topically during procedures that create micro-channels in the skin, such as microneedling. This is both compliant and highly effective.

How many sessions will I need?

Polynucleotides: usually two to three sessions, three to four weeks apart. Exosome-assisted treatments: typically a course of three, spaced monthly.

What do they cost?

At The Enchara, polynucleotide treatments start from £350 and exosome therapy from £450. Both include full clinical consultation and aftercare.

Want to know which your skin would respond to best? Book a consultation at our Cardiff clinic, or take our Enchara IQ skin assessment for a personalised starting point.