A refined, evidence-based look at how this treatment works beneath the skin — written by a doctor.
Written by Dr Rinku Ratti MBBS (London) BSc (Hons) DRCOG DFFP MRCGP
Level 7 Masters in Aesthetics
Private GP, Cosmetic Doctor & Women’s Health Specialist
Instagram: @thedoctorspractice | @drbikofficial | @drrinkuofficial
Introduction
In my work at The Doctor’s Practice in Edgbaston, Birmingham, one topic has been appearing increasingly often in aesthetic consultations: regenerative skin treatments.
Patients today are not simply asking how to smooth a line or add volume. More often, they want to understand how to improve the health of their skin itself.
This shift reflects a broader change within aesthetic medicine. Treatments are moving away from purely structural correction and towards biological regeneration.
Among the therapies attracting attention in this space are polynucleotides — a class of regenerative treatments designed to support skin repair and improve cellular activity within the dermis.
Rather than masking ageing, these treatments attempt to support the skin’s own repair mechanisms.
Understanding how they work requires looking beneath the surface.
Polynucleotides are fragments of DNA-derived molecules that interact with skin cells and extracellular structures. Evidence suggests they may support fibroblast activity, modulate inflammation and contribute to dermal repair pathways, which is why they are increasingly discussed within regenerative dermatology.
The Science Behind Polynucleotides
Polynucleotides are purified DNA fragments that originate from natural biological sources.
In aesthetic medicine they are used as biostimulatory treatments, meaning their role is to stimulate the skin’s natural regenerative processes.
Within the skin, these molecules may influence several biological pathways:
- stimulation of fibroblast activity
• support for collagen and elastin production
• modulation of inflammatory signalling
• improvement in microvascular circulation
Fibroblasts are the cells responsible for producing collagen, elastin and other structural proteins that maintain skin strength and elasticity.
As skin ages, fibroblast activity gradually declines. This reduction contributes to thinning skin, reduced elasticity and slower repair processes.
Research in regenerative dermatology suggests that polynucleotide-based treatments may help create an environment that supports cellular repair and extracellular matrix restoration.
Biological Mechanisms Beneath the Skin
When polynucleotides are introduced into the dermis, their role is not to add volume but to influence the biological behaviour of skin cells.
Several mechanisms are discussed in the scientific literature.
Hydration support is one of them. Polynucleotide chains can bind water molecules, which may improve the hydration environment surrounding dermal cells.
They are also thought to interact with adenosine receptors, signalling pathways involved in inflammation and tissue repair.
Evidence indicates that these mechanisms may contribute to:
- improved tissue regeneration
• enhanced dermal repair processes
• reduced inflammatory stress within the skin
In practical terms, this may translate into improvements in skin texture, elasticity and resilience over time.
Skin Changes and Ageing Patterns
Ageing skin reflects several biological processes occurring simultaneously.
Collagen production declines.
Elastin fibres fragment.
Inflammatory signalling gradually increases.
Environmental exposure — particularly ultraviolet radiation and pollution — accelerates these changes.
Patients often notice:
- loss of skin elasticity
• dull or fatigued appearance
• fine lines and creasing
• uneven skin texture
• thinning under-eye skin
In our doctor-led aesthetic clinic in Birmingham, treatments are selected based on these patterns rather than simply on age.
Regenerative treatments such as microneedling or skin boosters may sometimes be combined with biostimulatory therapies depending on the skin’s needs.
What Current Research Suggests
Interest in regenerative dermatology has grown significantly over the past decade.
Studies exploring DNA-derived biostimulatory compounds suggest these molecules may support wound healing pathways, fibroblast migration and tissue repair mechanisms.
Research published in dermatological and regenerative medicine journals indicates that polynucleotide treatments may contribute to:
- improved dermal hydration
• enhanced cellular repair environments
• increased fibroblast activity
While research in this field continues to evolve, current evidence suggests these therapies may play a role in supporting skin regeneration when used appropriately.
Myths and Misunderstandings
As regenerative treatments become more widely discussed, misconceptions often appear.
One common myth is that polynucleotides function like dermal fillers.
They do not.
Fillers add structural volume, whereas regenerative treatments aim to support biological repair processes.
Another misunderstanding is that regenerative treatments create immediate dramatic change.
In reality, they are designed to support gradual improvements in skin quality over time.
Subtlety is the goal.
Evidence-Based Treatment Approaches
At The Doctor’s Practice, aesthetic treatments are approached through a medical framework.
Before recommending any treatment we consider:
- skin structure and elasticity
• pigmentation patterns
• inflammatory skin conditions
• hormonal influences
• overall health factors
This medical perspective is important because skin health is closely connected with wider physiological processes.
Patients often combine aesthetic consultations with health screening or broader wellbeing assessments within our private GP clinic.
Skin is, after all, a visible reflection of internal physiology.
Lifestyle and Skin Integrity
Treatments alone rarely determine long-term skin quality.
Lifestyle factors play an equally important role.
Chronic ultraviolet exposure remains the most significant driver of visible ageing.
Other contributing factors include:
- smoking
• poor sleep
• chronic stress
• nutritional imbalance
• environmental pollution
Daily photoprotection and consistent skincare routines remain fundamental.
Regenerative treatments may complement these foundations, but they cannot replace them.
Assessment at The Doctor’s Practice
At The Doctor’s Practice — a private GP-led clinic in Edgbaston, Birmingham — aesthetic consultations begin with a structured clinical assessment.
We evaluate:
- skin thickness and elasticity
• pigmentation patterns
• inflammatory skin changes
• lifestyle influences
• hormonal stage where relevant
Understanding these factors allows us to recommend treatments that support long-term skin health rather than short-term correction.
FAQs
What are polynucleotides used for in aesthetic medicine?
They are regenerative treatments designed to support skin repair, hydration and cellular activity.
Are polynucleotide treatments the same as dermal fillers?
No. Fillers add volume, whereas polynucleotides aim to improve the biological health of the skin.
How long do regenerative skin treatments take to work?
Improvements tend to occur gradually as the skin’s repair processes respond.
Do you offer regenerative skin consultations in Birmingham?
Yes. Assessments are available at our clinic in Edgbaston, Birmingham.
A Personal Note
The most interesting shift in aesthetic medicine today is not about achieving dramatic change.
It is about understanding skin biology more deeply.
When treatments work with the skin’s own regenerative systems rather than against them, the results tend to look more natural — and often more sustainable.
In the end, the goal of modern aesthetics is not to change a face.
It is to support the health and resilience of the skin itself.
Book an Appointment with Dr Rinku
The Doctor’s Practice
7 Chad Square, Hawthorne Road
Edgbaston, Birmingham B15 3TQ
Website:
https://www.thedoctorspractice.co.uk
Book:
https://thedoctorspractice.co.uk/book-an-appointment/
Google Maps:
https://share.google.com/X4VOVkY3Vz5Fgfj1C
Phone: 0121 661 2366
WhatsApp: +447388623527
Instagram: @thedoctorspractice | @drbikofficial | @drrinkuofficial
References
Lampridou S, et al. The Effectiveness of Polynucleotides in Esthetic Medicine: A Systematic Review. Journal of Cosmetic Dermatology.
https://pubmed.ncbi.nlm.nih.gov/39645667/
Lee KWA, et al. Polynucleotides in Aesthetic Medicine: A Review of Current Practices and Perceived Effectiveness.
https://pmc.ncbi.nlm.nih.gov/articles/PMC11311621/
Khan A, et al. Polydeoxyribonucleotide: A Promising Skin Anti-Ageing Agent.
https://www.sciencedirect.com/science/article/pii/S2096691122000723
Lim TS, et al. PN-HPT for Skin Regeneration and Rejuvenation.
https://pmc.ncbi.nlm.nih.gov/articles/PMC12759169/
Rho NK, et al. Evidence-Based Applications of Polynucleotides in Dermatology.
https://www.dovepress.com/expert-perspectives-evidence-based-applications-of-polynucleotides-pns-peer-reviewed-fulltext-article-CCID
This article is intended for general educational purposes only and does not replace a personalised medical consultation. Individual symptoms, results and treatment options vary. For advice tailored to your health, please consult a qualified doctor.