Polynucleotides vs Profhilo: The Honest Comparison
Introduction
In the rapidly evolving landscape of aesthetic medicine, patients are increasingly seeking treatments that offer natural-looking rejuvenation and long-term skin health benefits. Among the most discussed injectable treatments for skin quality improvement are Polynucleotides and Profhilo. While both aim to enhance skin vitality, their mechanisms of action, compositions, and ideal patient profiles differ significantly. This article provides a comprehensive, clinician-quality comparison of these two popular treatments, delving into their scientific underpinnings, clinical evidence, and practical applications to guide both practitioners and discerning patients.
Understanding Polynucleotides
Polynucleotides are injectable biostimulators derived from fragments of DNA, typically from salmon or trout sperm. These complex molecules are the building blocks of DNA and RNA, playing a crucial role in cellular processes such as proliferation, differentiation, and survival. When injected into the skin, polynucleotides do not act as volumisers like traditional dermal fillers. Instead, they work at a cellular level to initiate a regenerative cascade.
Mechanism of Action: Polynucleotides primarily target fibroblasts, the cells responsible for producing collagen, elastin, and hyaluronic acid within the extracellular matrix. By stimulating these fibroblasts, polynucleotides encourage the skin to regenerate itself from within. This process leads to increased collagen and elastin synthesis, improved skin hydration, and reduced inflammation. Furthermore, polynucleotides possess antioxidant properties, scavenging free radicals that contribute to skin ageing. [1]
Clinical Evidence and Applications: Clinical studies have indicated that polynucleotides can improve skin texture, reduce wrinkle depth, and enhance overall facial appearance. They have shown efficacy in improving skin elasticity and hydration. Polynucleotides are particularly noted for their anti-inflammatory effects and their utility in treating delicate areas such as the periorbital region (dark circles under the eyes), where traditional fillers may not be suitable. [1]
Patient Profile: Polynucleotides are generally suitable for individuals seeking natural skin rejuvenation, improvement in skin quality, and reduction of fine lines and wrinkles. They are often recommended for patients with early signs of ageing, compromised skin barrier function, or those looking to address specific concerns like dark circles and crepey skin. They are also a good option for patients who prefer a non-volumising treatment.
Understanding Profhilo
Profhilo is an injectable skin remodelling treatment that utilises a unique composition of ultra-pure hyaluronic acid (HA). Unlike conventional dermal fillers, which are cross-linked to provide volume and structure, Profhilo employs a patented NAHYCO technology. This technology stabilises high and low molecular weight HA without the use of chemical cross-linking agents, resulting in a highly fluid gel that spreads evenly within the tissue.
Mechanism of Action: Profhilo contains one of the highest concentrations of HA available in the aesthetic market (32mg/ml). When injected, it acts as a bio-remodelling agent, stimulating the production of four different types of collagen (Types I, III, IV, and VII) and elastin. This stimulation occurs through the slow release of HA, which hydrates the tissue from within and triggers the skin's natural regenerative processes. The treatment creates a subtle scaffolding effect, improving skin laxity, hydration, and overall texture. [2]
Clinical Evidence and Applications: Scientific evidence supports Profhilo's efficacy in improving skin quality. Clinical studies have demonstrated significant improvements in skin elasticity and texture, with high patient satisfaction rates. Profhilo is effective in addressing multiple skin concerns simultaneously, including skin laxity, dehydration, and fine lines. It is commonly used on the face, neck, décolletage, hands, arms, and knees, particularly for crepey skin. [2]
Patient Profile: Profhilo is ideal for individuals experiencing early signs of skin ageing, reduced skin elasticity, decreased hydration, and fine lines. It is suitable for men and women typically aged 30-65 who desire overall skin quality improvement without adding volume. Patients looking for a natural enhancement to skin tone, texture, and hydration are excellent candidates.
Polynucleotides vs Profhilo: A Comparative Analysis
While both treatments are excellent for skin quality, their distinct characteristics make them suitable for different indications and patient expectations. The table below summarises key differences:
| Feature | Polynucleotides | Profhilo |
|---|---|---|
| Primary Composition | DNA fragments (salmon/trout sperm) | Ultra-pure Hyaluronic Acid (HA) |
| Mechanism | Fibroblast stimulation, collagen/elastin synthesis, anti-inflammatory, antioxidant | Bio-remodelling, stimulates 4 types of collagen & elastin, deep hydration |
| Main Goal | Cellular regeneration, skin repair, anti-inflammatory, specific delicate areas (e.g., under eyes) | Overall skin quality improvement, hydration, elasticity, laxity, bio-remodelling |
| Volume Addition | None | None (not a dermal filler) |
| Ideal Patient | Early ageing, compromised skin, dark circles, crepey skin, non-volumising preference | Early ageing, reduced elasticity, dehydration, fine lines, overall skin quality enhancement |
| Treatment Areas | Face, neck, décolletage, hands, particularly periorbital area | Face, neck, décolletage, hands, arms, knees |
| Course of Treatment | Typically 2-3 sessions, 2-4 weeks apart | Typically 2 sessions, 4 weeks apart |
| Longevity of Results | Varies, often 6-9 months | 6-9 months |
Pricing Guide (2026 UK)
The cost of aesthetic treatments can vary significantly based on location, clinic reputation, and practitioner experience. The following is a realistic guide for a full course of treatment in the UK for 2026:
| Treatment | London (per course) | Manchester (per course) | Other UK Cities (per course) |
|---|---|---|---|
| Polynucleotides | £700 - £1200 | £500 - £900 | £450 - £800 |
| Profhilo | £800 - £1200 | £600 - £900 | £550 - £850 |
Note: These are approximate prices for a full course of treatment (typically 2 sessions for Profhilo, 2-3 for Polynucleotides). Individual session prices will be lower.
Medical Accuracy and Regulatory Status
It is crucial to highlight the regulatory and medical distinctions of these treatments:
- Botulinum Toxin (e.g., Botox): A prescription-only medicine (POM) in the UK, requiring a face-to-face consultation and prescription by a qualified medical professional.
- Dermal Fillers: Classified as medical devices in the UK, and while not POM, their administration requires extensive anatomical knowledge and medical training due to potential risks.
- Polynucleotides and Profhilo: Both are injectable treatments that fall under the medical device category. While they are not prescription-only medicines, their administration demands a thorough understanding of facial anatomy, sterile techniques, and management of potential complications. They should only be administered by highly trained and qualified medical aesthetic clinicians.
Conclusion
Both Polynucleotides and Profhilo represent significant advancements in skin quality treatments, offering distinct benefits for patients seeking rejuvenation. Polynucleotides excel in cellular regeneration, anti-inflammatory effects, and treating delicate areas, making them ideal for skin repair and those preferring a non-HA based biostimulator. Profhilo, with its high concentration of stabilised HA, is a powerful bio-remodelling agent that significantly improves overall skin hydration, elasticity, and laxity.
The choice between Polynucleotides and Profhilo ultimately depends on the individual's specific skin concerns, desired outcomes, and the clinician's assessment. A detailed consultation with a qualified medical aesthetic practitioner is essential to determine the most appropriate treatment plan, ensuring optimal and safe results. Both treatments underscore the shift towards regenerative aesthetics, focusing on stimulating the skin's natural capabilities for lasting health and radiance.
References
[1] Lee, K. W. A., Chan, K. W. L., Lee, A., Lee, C. H., Wan, J., Wong, S., & Yi, K.-H. (2024). Polynucleotides in Aesthetic Medicine: A Review of Current Practices and Perceived Effectiveness. International Journal of Molecular Sciences, 25(15), 8224. https://pmc.ncbi.nlm.nih.gov/articles/PMC11311621/
[2] London Skin Clinic. (2026). What is the evidence that Profhilo actually works? https://londonskinclinic.london/blog/what-is-the-evidence-that-profhilo-actually-works/