R3 Aesthetics | Milton Keynes

28th April 2025

Exosomes and Polynucleotides vs Fillers: A New Era in Skin Rejuvenation

In the evolving world of aesthetic medicine, traditional dermal fillers are no longer the only option for those seeking youthful, radiant skin. Treatments such as exosomes and polynucleotides are ushering in a new era, focusing not just on filling lines but on regenerating the skin from within. Here’s how these innovative therapies compare to classic fillers – and why many patients and practitioners are embracing the shift.

Fillers: Volume and Structure

Dermal fillers, typically made from hyaluronic acid (HA) or other biocompatible substances, have been a cornerstone of aesthetic treatments for years. Their primary role is structural: they restore lost volume, sculpt facial contours, and smooth out wrinkles almost immediately.

Advantages:

  • Immediate results

  • Effective for deep lines, volume loss, and contouring

  • Non-surgical with minimal downtime

Limitations:

  • They do not actively repair or regenerate the skin

  • Repeat treatments are needed as the body gradually breaks them down

Fillers offer quick transformations, but they are a temporary solution to deeper concerns such as skin ageing, poor texture, or loss of elasticity.

Polynucleotides: Regeneration at the Cellular Level

Polynucleotides are chains of nucleotides — the building blocks of DNA and RNA. When injected into the skin, polynucleotides stimulate tissue repair, promote fibroblast activity (which boosts collagen and elastin production), and improve skin hydration and elasticity.

Benefits:

  • Stimulates natural skin regeneration

  • Improves skin texture, elasticity, and tone

  • Addresses signs of ageing at a cellular level rather than masking them

  • Results build gradually, creating a natural enhancement

Good quality brands include Plinest (we offer this product at R3 Aesthetics), often used to treat fine lines, scars, dark circles, and skin laxity.

Unlike fillers, polynucleotides do not provide an immediate plumping effect. Instead, they trigger the body’s own repair processes, leading to long-term rejuvenation.

Exosomes: The Next Frontier in Skin Therapy

Exosomes are tiny extracellular vesicles released by cells, acting as messengers carrying proteins, growth factors, and genetic material between cells. In aesthetics, lab-cultured exosomes derived from stem cells are used to supercharge skin healing and regeneration.

Why exosomes are exciting:

  • Deliver growth factors and anti-inflammatory molecules directly to the skin

  • Promote collagen and elastin synthesis

  • Enhance skin repair, reduce redness, and improve tone

  • May accelerate recovery from procedures such as microneedling, lasers, or chemical peels

Exosomes do not add volume like fillers; instead, they improve the quality of the skin, making it firmer, brighter, and healthier over time.

Exosomes and Polynucleotides vs Fillers: Which Should You Choose?

The choice depends largely on your goals:

Goal Best Option
Immediate volume replacement (cheeks, lips, folds) Fillers
Long-term skin regeneration (texture, elasticity, brightness) Polynucleotides or Exosomes
Recovery boost after skin procedures Exosomes
Correction of fine lines, early signs of ageing, dark circles Polynucleotides

 

In many cases, combination treatments offer the best results. For example, using fillers to restore youthful volume while employing polynucleotides or exosomes to regenerate and improve the underlying skin quality.

The Future is Regenerative

As patients increasingly seek natural-looking, sustainable results, the move towards regenerative treatments such as polynucleotides and exosomes is set to grow. Rather than merely filling what is lost, these new therapies focus on rebuilding and rejuvenating — offering the possibility of healthier, more resilient skin at every age.

Get in touch for a consultation today to see which treatment is right for you.