Polynucleotides · PN/PDRN
DNA-derived preparations discussed in skin-quality care. PN and PDRN are related terms, but formulations and clinical uses differ; the assessment identifies the specific product being considered.
Your care, step by step.
Assess skin quality
Discuss texture, priorities and previous skin treatments.
Identify the product
Clarify PN or PDRN, its formulation, suitability and risks.
Planned application
Follow the product-specific plan and aftercare.
Review the response
Decide together whether further sessions are appropriate.
What to plan for
Clinical evidence is still developing. Discuss the formulation, origin, relevant allergies, expected benefits and limitations before agreeing a treatment course.
The sequence, session count and intervals are agreed individually. This is a pathway, not a fixed calendar.
An informed choice.
What the evidence can tell you — and where its limits matter.
Sources checkedEvidence & expectations
A 27-person randomized split-face study compared a PN preparation with non-crosslinked hyaluronic acid around the eyes. Some measured skin properties differed, but overall aesthetic scores did not show a significant between-group difference. This does not validate every PN or PDRN product.[1]
Preparation & recovery
Identify the formulation, origin, intended route and aftercare before treatment. A systematic review found promising findings but called for stronger evidence; the published schedules should not be presented as a universally established course.[2]
Risks & limitations
Small studies reported local effects such as redness or irritation. Their size and follow-up cannot exclude uncommon or delayed harm. Discuss allergies and the specific preparation instead of assuming that all nucleotide-based products have the same safety profile.[2]
Compare your options
A study of skin hydration is not evidence of a lifting effect or correction of a volume deficit. Compare the goal with hyaluronic-acid treatment, other skin-quality approaches, or choosing no procedure.[1]
Different approaches to discuss
These links explain different targets. They are not personalised recommendations.
Hyaluronic acidPRP · Platelet-Rich PlasmaSources & further reading
- Controlled clinical trialPolynucleotide versus hyaluronic acid: split-face trialLee et al. · Journal of Dermatological Treatment · 2022
- Systematic reviewPolynucleotides in aesthetic medicine: systematic reviewLampridou et al. · Journal of Cosmetic Dermatology · 2025
How we use evidence
A controlled trial compares interventions in defined groups; an uncontrolled cohort cannot, alone, establish causality. A review depends on the quality of its included studies. We distinguish these sources from manufacturer information and identify when findings do not directly apply to the platform or protocol.
The date records when sources were checked for this guide. It is not a statement of individual clinical review, product authorisation or confirmation of the clinic’s available configuration.
This guide supports a conversation with your clinician. It does not determine your suitability or replace individual aftercare instructions.
Start with your priorities.
Discuss suitability, alternatives, expected recovery and costs at your medical assessment.