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  • Exosomes vs Polynucleotides: Which Is Better for Summer Skin?

    October 12, 2026 9 min read

    Exosomes vs Polynucleotides: Which Is Better for Summer Skin?

    Exosomes and polynucleotides have become two of the most talked-about options in regenerative skin treatments. If you are considering either during the summer, though, the season itself should not determine which one you choose.

    The better option depends on your skin concerns, the formulation being used, how the product is being delivered and whether you can follow the required aftercare.

    With professional imedpen® microneedling, there are two particularly relevant treatment approaches:

    So, when comparing exosomes vs polynucleotides for summer skin, the better question is: which formulation is most appropriate for your skin and treatment goals?

    Exosomes vs Polynucleotides: What Is the Difference?

    Although both appear within regenerative aesthetics, exosomes and polynucleotides are different.


    PDRN 2%

    Exo Fusion + PDRN 2%

    Main treatment approach

    Focused PDRN treatment

    Exosomes combined with PDRN

    PDRN

    2% PDRN

    Includes PDRN 2%

    Exosomes

    No

    Centella Asiatica and Lactobacillus exosomes

    Skin concerns

    Skin ageing, fine lines and wrinkles, scars and marks, sagging skin and pigmentation

    Skin ageing, fine lines and wrinkles, scars and marks and loss of skin volume

    Professional use

    Suitable for application with microneedling

    Used within professional microneedling protocols

    Ingredient consideration

    Salmon-derived PDRN

    Also contains salmon-derived PDRN

    One important detail is easy to miss: Exo Fusion + PDRN 2% already contains polynucleotides in the form of PDRN. It is therefore not a simple case of choosing exosomes instead of polynucleotides.

    What Are Polynucleotides and PDRN?

    Polynucleotides are chains of nucleotides, the molecular units associated with DNA and RNA.

    Within aesthetics, you will frequently come across PDRN, or polydeoxyribonucleotide. PDRN sits within the broader polynucleotide category, although different polynucleotide products can vary in formulation, concentration and intended method of use.

    AMESON PDRN 2% contains PDRN at a 2% concentration and is formulated for professional skin rejuvenation. It is suitable for use with microneedling and is intended for concerns including:

    • Skin ageing

    • Fine lines and wrinkles

    • Scars and marks

    • Sagging skin

    • Pigmentation and photoageing

    For practitioners wanting to explore this treatment category more widely, the professional Polynucleotides range includes PDRN-based treatment and skincare options.

    When Might a PDRN-Led Treatment Be Considered?

    A practitioner may choose a PDRN-focused microneedling protocol when the treatment objective centres on skin rejuvenation, visible signs of ageing, fine lines, scars, marks or uneven pigmentation.

    This decision should follow a skin consultation rather than being based on the popularity of polynucleotides alone.

    What Are Exosomes?

    Exosomes are very small extracellular vesicles involved in communication between cells.

    The term exosome treatment can be misleading because it covers products derived from very different sources. That source matters when comparing formulations and when looking at research.

    Some aesthetic exosome research, for example, has examined human stem-cell-derived exosomes. This cannot automatically be applied to every product marketed as an exosome treatment.

    AMESON Exo Fusion Powder + PDRN 2% uses a different approach. Its exosomes are derived from:

    • Centella Asiatica

    • Lactobacillus

    These are plant and probiotic-origin exosomes rather than human stem-cell-derived exosomes.

    The formulation also contains PDRN 2%, giving practitioners a combined exosome and polynucleotide option.

    What Is Exo Fusion Powder + PDRN 2%?

    Exo Fusion Powder + PDRN 2% is designed for professional skin regeneration treatments.

    It combines PDRN with Centella Asiatica and Lactobacillus exosomes and is intended for concerns including:

    • Skin ageing

    • Fine lines and wrinkles

    • Scars and marks

    • Loss of skin volume

    Within professional imedpen® protocols, Exo Fusion + PDRN 2% is also positioned as an option for ageing skin and deeper wrinkles.

    This changes the usual PDRN vs exosomes comparison. For an imedpen® treatment, the choice may actually be between:

    PDRN as the main treatment solution
    or
    PDRN combined with plant and probiotic exosomes.

    Are Exosomes or Polynucleotides Better for Summer Skin?

    Neither becomes automatically better simply because it is summer.

    The bigger consideration is what happens after the microneedling treatment.

    Professional microneedling creates controlled microchannels in the skin, stimulating the skin's natural wound-healing response and collagen production. During the initial recovery period, the skin needs additional protection from UV exposure and other sources of irritation.

    This matters more during summer because clients are more likely to be:

    • Spending extended periods outdoors

    • Travelling to sunny destinations

    • Swimming in pools or the sea

    • Sunbathing

    • Attending outdoor events

    • Exposed to stronger UV levels

    If your plans make it difficult to follow post-treatment instructions, treatment timing may need to change.

    Can You Have Microneedling in Summer?

    Yes, microneedling can be carried out during summer when the client is suitable for treatment and appropriate aftercare can be followed.

    The main concern is UV exposure, rather than the month in which the procedure takes place.

    imedpen® aftercare guidance advises clients to avoid exposing treated skin to UV following microneedling. Direct sun exposure should be avoided during recovery where possible, and SPF30 or above should be used when sun exposure cannot be avoided, following the practitioner's post-treatment recommendations.

    Swimming, intensive exercise, very hot showers, saunas, tanning and certain active skincare ingredients should also be avoided during the early recovery period.

    What If My Skin Is Sunburnt?

    Microneedling should not be performed over sunburnt skin.

    If you have had significant recent sun exposure, tell your practitioner before treatment. The skin should be assessed and allowed to recover before a microneedling procedure is carried out.

    Should You Book Microneedling Just Before a Summer Holiday?

    This is usually poor timing if your holiday will involve strong sun exposure, swimming or long periods outdoors.

    After microneedling, you need to give your skin time to recover and follow your prescribed aftercare. A beach holiday immediately afterwards can make that unnecessarily difficult.

    Tell your practitioner about upcoming travel during your consultation. They can advise whether it makes more sense to schedule treatment earlier or wait until you return.

    The same advice applies whether the treatment uses PDRN, Exo Fusion or another microneedling solution.

    PDRN 2% vs Exo Fusion + PDRN 2%: Which Should You Choose?

    Rather than asking which product is stronger, consider what each formulation provides.

    Consider PDRN 2% When a Focused Polynucleotide Treatment Is Preferred

    AMESON PDRN 2% is the more straightforward choice when the treatment strategy is centred on PDRN.

    It can be incorporated into professional microneedling protocols for concerns including visible ageing, fine lines and wrinkles, scars, marks, sagging skin and pigmentation.

    Consider Exo Fusion + PDRN 2% When a Combined Treatment Is Preferred

    Exo Fusion Powder + PDRN 2% combines PDRN with Centella Asiatica and Lactobacillus exosomes.

    It may be selected when the practitioner wants to incorporate both PDRN and exosomes within the same professional treatment protocol, particularly when treating ageing skin, wrinkles, scars, marks or loss of volume.

    Neither should be chosen solely because one ingredient is receiving more attention online.

    Which Is Better for Fine Lines and Ageing Skin?

    Both PDRN 2% and Exo Fusion + PDRN 2% are intended for ageing-related skin concerns.

    The difference is the formulation.

    PDRN 2% gives the practitioner a focused polynucleotide option.

    Exo Fusion + PDRN 2% contains the same PDRN concentration alongside Centella Asiatica and Lactobacillus exosomes.

    For deeper wrinkles and ageing skin, Exo Fusion + PDRN 2% also appears within professional imedpen® treatment protocols as an available treatment solution.

    That does not mean every ageing client should automatically receive the combined formulation. Skin condition, medical history, treatment history and the desired outcome should all be considered first.

    Which Is Better for Scars and Marks?

    Both products are intended for scars and marks, so there is no simple product-level answer.

    Scar treatment depends on factors such as:

    • Scar type

    • Scar depth

    • Location

    • Age of the scar

    • Skin type

    • Tendency towards pigmentation

    • Previous treatments

    Microneedling depth and treatment parameters may also need to be adjusted according to the individual client.

    This is why professional assessment matters more than choosing a treatment based on an ingredient name.

    What About Photoageing and Summer Sun Damage?

    PDRN 2% is intended for photoageing and pigmentation-related concerns, while both recommended formulations can form part of professional ageing-skin protocols.

    However, treating sun-damaged skin does not replace sun protection.

    Repeated UV exposure contributes to the appearance of pigmentation, lines and changes in skin texture. If you undergo a regenerative skin treatment and then repeatedly expose recovering skin to strong UV, you may increase irritation and pigmentation risk.

    Good treatment planning therefore includes both the procedure itself and what happens afterwards.

    Are Polynucleotides Suitable for Everyone?

    No.

    The PDRN used within this range is derived from salmon DNA. This means it is not suitable for:

    • People with fish allergies

    • Vegans

    • Vegetarians

    This consideration applies to both PDRN 2% and Exo Fusion + PDRN 2%, because the combined Exo Fusion treatment also contains PDRN.

    Clients should disclose allergies, medication, existing skin conditions, previous aesthetic treatments and relevant medical history during consultation.

    Professional imedpen® consultation protocols also screen for conditions and circumstances that may prevent or restrict microneedling, including certain active skin conditions, pregnancy, specific medications and recent aesthetic procedures.

    What Does the Research Say About Exosomes vs Polynucleotides?

    Research into regenerative aesthetics is developing, but comparisons need to be interpreted carefully.

    Studies looking at exosomes may use sources that are very different from one another. Research involving human stem-cell-derived exosomes, for example, should not be treated as direct evidence for a formulation containing Centella Asiatica and Lactobacillus exosomes.

    The same caution applies to polynucleotides.

    Clinical research into injectable polynucleotides cannot automatically be used as evidence for every topical or microneedling-applied PDRN formulation.

    For clients, this means it is worth asking exactly what product is being used, rather than booking something based simply on the words "exosomes" or "polynucleotides".

    For professionals, formulation, intended use, treatment protocol and appropriate client selection should guide product choice.

    Professional Microneedling vs At-Home Treatments

    PDRN and exosome microneedling protocols should not be treated as DIY skincare.

    The imedpen® x is intended for trained professional use. Professional treatment involves:

    • Client consultation and suitability assessment

    • Appropriate treatment parameters

    • Sterile working conditions

    • Sterile, single-use needle cartridges

    • Correct product selection

    • Documented treatment protocols

    • Post-procedure instructions and homecare

    Practitioners looking to introduce or develop professional microneedling treatments can explore imedpen® Microneedling Training, which covers treatment theory, health and safety, device operation and practical treatment protocols.

    Professional Product Recommendations for Exosome and PDRN Microneedling

    AMESON PDRN 2%

    Shop AMESON PDRN 2%

    A professional 2% PDRN formulation suitable for use with microneedling. It is intended for skin rejuvenation and concerns including fine lines, wrinkles, scars, marks, sagging skin and pigmentation.

    It is a suitable choice where the practitioner wants a focused PDRN-led treatment protocol.

    AMESON Exo Fusion Powder + PDRN 2%

    Shop AMESON Exo Fusion Powder + PDRN 2%

    A combined professional treatment containing PDRN 2% alongside Centella Asiatica and Lactobacillus exosomes.

    It is intended for skin ageing, fine lines and wrinkles, scars and marks and loss of skin volume, giving practitioners an option for clients where a combined PDRN and exosome protocol is appropriate.

    Exosomes vs Polynucleotides: Which Is Better?

    There is no universal winner.

    For professional microneedling, PDRN 2% provides a focused polynucleotide treatment, while Exo Fusion Powder + PDRN 2% combines PDRN with Centella Asiatica and Lactobacillus exosomes.

    During summer, the decision does not suddenly change. What does change is the likelihood of sun exposure, holidays, outdoor activity and swimming, all of which need to be considered when planning treatment.

    Clients should choose a treatment following professional skin assessment and make sure they can follow their post-microneedling aftercare properly.

    Practitioners should select the formulation according to the skin concern, treatment objective and client suitability rather than assuming that exosomes or polynucleotides are always the better option.

    Frequently Asked Questions

    Are Exosomes Better Than Polynucleotides?

    Not necessarily. They are different treatment concepts, and suitability depends on the formulation, skin concern, delivery method and individual client.

    Is PDRN a Polynucleotide?

    PDRN stands for polydeoxyribonucleotide and sits within the wider polynucleotide category. Different polynucleotide products can still vary significantly in formulation and how they are used.

    Is PDRN the Same as Exosomes?

    No. PDRN is DNA-derived polynucleotide material, while exosomes are extracellular vesicles involved in cell-to-cell communication.

    Can Exosomes and PDRN Be Used Together?

    Yes. AMESON Exo Fusion Powder + PDRN 2% combines Centella Asiatica and Lactobacillus exosomes with PDRN 2%.

    Can You Have PDRN Microneedling in Summer?

    Yes, if you are suitable for treatment and able to follow your practitioner's UV and aftercare instructions.

    Should I Have Microneedling Before a Summer Holiday?

    If the holiday involves strong sun exposure, swimming or extended time outdoors, it may be better to schedule the treatment for another time. Discuss your travel plans with your practitioner.

    Do I Need SPF After Microneedling?

    Yes. Post-treatment UV protection is part of imedpen® aftercare. Follow the SPF and skincare instructions supplied by your practitioner.

    Is PDRN Suitable for Vegans or Vegetarians?

    No. The PDRN used within this range is salmon-derived and is therefore unsuitable for vegans and vegetarians.

    Can People With Fish Allergies Have PDRN?

    The salmon-derived PDRN is unsuitable for people with fish allergies. This also applies to Exo Fusion + PDRN 2% because it contains PDRN.

    Can I Use PDRN With Microneedling?

    AMESON PDRN 2% is specifically formulated as a professional product suitable for application with microneedling.

    Which Product Contains Both Exosomes and Polynucleotides?

    AMESON Exo Fusion Powder + PDRN 2% contains both PDRN polynucleotides and Centella Asiatica and Lactobacillus exosomes.

    Can I Do PDRN Microneedling at Home?

    Professional PDRN microneedling should be carried out by an appropriately trained practitioner using professional treatment protocols, sterile technique and single-use microneedling cartridges.


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