u/cosmeticscop

Another pinterest find for newbies

Not microneedling related, but regenerative aesthetics related. And I think an actual interesting implication of this paper is about whether controlled skin injury itself can durable remodel the skin's epigenetic state. That's a way bigger biological idea.

The authors repeatedly argue that the methylation changes do't happen immediately after injury. Instead they emerge gradually over 1-6 months as healing transition into tissue remodeling. They specifically describe this as moving from an inflammatory phase to a regenerative phase. Microneedling follows a similar biological process so would microneedling also produce the same delayed epigenetic remodeling? Not sure, it hasn't been investigated yet. I think the biggest finding wasn't just that methylation changed, but that 83.9% of strongly responsive CpGs shifted in the opposite direction of normal aging, meaning laser treatment partially reversed age associated methylation patterns. So is epigenetic rejuvenation a general property of regenerative therapies? Researchers have been so stuck in an obsession with college, that they are not investigating more interesting things imo. Collagen is just a buzzword at this point. We know all these things stimulate collagen, but does the treatment move aged skin toward a younger molecular makeup? Microneedling has actually never been tested this way. Same with these booster molecules. Then this makes me wonder, is the laser doing something unique or is controlled injury the real mechanism here? Also makes me wonder if all collagen stimulators converge on the same pathways because the laser altered methylation in pathways involving WNT signaling, stem cell maintenance, epidermal differentiation, collagen organization, extracellular remodeling, wound healing, immune regulation, and Polycomb-regulated developmental genes. Most of these are already known to become activated during microneedling from transcriptomic and histologic studies. So do different rejuvenation procedures actually all activate these same pathways? So there could be a shared pathway independent of the device.

Then if you want to get more in the weeds. Microneedling is actually makes a lot of sense. Laser studies have various stimuli, there's heat, coagulation, mechanical disruption, inflammatory signaling, etc. Microneedling is mostly just mechanical injury. So if microneedling produced similar methylation changes, that would suggest that technical regeneration alone is enough to remodel the epigenome. If that's not the case, then thermal injury might be necessary, so this is definitely worth researching. And making sure they are taking biopsies during actual relevant timing. They should be doing this 3 months, 6 months, 8 months post treatments.

Also something interesting from the study, beyond a direct molecular link to reversing cellular aging and physical skin benefits, the study also points to a direct molecular link to skin cancer biology. The laser positively modulates DNA methylation at keratinocyte-regulating loci, including FGFR3, HOXB4, UBE2I, and PPP1R18/PPP1R26, genes tied to the pathogenesis of basal and squamous cell skin cancers.

>Here's the post copy from Dr. Sajic: Your laser may be doing more than making your skin look younger. A new study found that fractional laser treatment reversed nearly 84% of age-related epigenetic changes and remodeled pathways linked to skin aging, DNA repair, stem cells, and even cancer-related biology. ⚠️ This does NOT prove it prevents skin cancer. But it does suggest lasers may help shift your skin toward a healthier molecular profile. The question is… What should you be doing between treatments—or while you’re waiting? There are evidence-based strategies that may help support DNA repair, reduce UV damage, and improve overall skin health. 

Study: Schallen, K.P., Schomacker, K., Banila, C. et al. Non-ablative fractional laser 1940-nm treatment modulates epigenetic signatures associated with skin aging in a split-face investigation. Sci Rep 16, 17695 (2026). https://doi.org/10.1038/s41598-026-56604-4

This review looks at what we keep seeing (Ozempic face) and investigates whether it's a result of rapid fat loss or could GLP-1 rector agonists directly accelerate aging. The authors actually conclude that both may be true. And ironically, they also have research showing they have anti-aging effects on other parts of the body by reducing inflammation and oxidative stress. They examine whether mechanisms beyond fat loss may contribute to skin aging during GLP-1 therapy. Skin aging is characterized by reduced mitotic activity, impaired skin barrier function, decreased collagen and elastin product, diminished cellular proliferation, increased apoptosis, and elevated oxidative stress. Increased production of reactive oxygen stress damages DNA and cellular membranes, activates signaling pathways that reduce pro collagen synthesis, and stimulates inflammatory pathways involved in collagen metabolism.

GLP-1s have proven research on type 2 diabetes, obesity, and weight loss, but they also have demonstrated anti-inflammatory effects have been investigated for skin diseases. As their use has increased, so has facial aging associated with significant weight loss been noticed. The change is usually connected to the loss of facial fat because it alters facial contours and results in excess skin, more visible wrinkles, and changes in facial proportions. The authors note that this phenomenon is not unique to GLP-1s though, and has also been described following bariatric surgery. Histological studies of patients with major weight loss have demonstrated alterations in dermal structure, including changes in collagen and elastic fiber density.

The authors describe evidence suggesting that GLP-1s may influence dermal white adipose tissue (DWAT) and adipose-derived stem cells (ADSCs). These both express GLP-1 receptors. DWAT contribute to skin maintenance and regeneration and reduced DWAT has been associated with aging skin, decreased collagen production, and increased activity of an enzyme involved in collagen degradation (matrix metalloproteinase-1.) Studies show that GLP-1 receptors on ASDCs may decrease the production of protective cytokines and growth factors, impair fibroblast migration and collagen synthesis, and increase oxidative stress within the cells. There's also a lot more interesting in the weeds findings, but don't want this to get crazy long. They touch on estrogen receptors, muscle loss, etc.

The authors ALSO found evidence suggesting that GLP-1RAs may have effects that support skin health too. It reduces chronic inflammation and lower concentrations of AGEs. They also associate this with reduction of blood glucose levels. There are various studies touching on this as well. The authors also found from other studies that GLP-1s improve endothelial function and increase microvascular perfusion within the skin and subcutaneous tissue. But they note that no published study has directly linked these effects to delay skin aging yet and state additional research is needed.

The point of this review is that it argues Ozempic face is way more complex than simply losing facial fat, but there is currently still not enough evidence that GLP-1s directly age the skin. Please do not take this as discouragement from using them or as fear mongering. I want people to know the science of what could be going on. Keep in mind that this is a mini review, not a clinical trial. A lot of the mechanisms come from biology research and inferences. But what I would offer from this is. If these mechanisms are happening and you are using them, what would theoretically protect against them? If you're worried about reduced collagen signaling, you would want things that support collagen production. If you're concerned on oxidative stress, you would want to reduce oxidative damage. If it's about the reduced stem cell activity, you want to support tissue repair and regeneration. If you're worried about the loss of dermal estrogen signaling, that is currently being studied in peri and postmenopausal research. This paper to me actually is something that can be used on future research on how to combat these things.

Paschou IA, Sali E, Paschou SA, Tsamis KI, Peppa M, Psaltopoulou T, Nicolaidou E, Stratigos AJ. GLP-1RA and the possible skin aging. Endocrine. 2025 Sep;89(3):680-685. doi: 10.1007/s12020-025-04293-w. Epub 2025 Jun 11. PMID: 40498168; PMCID: PMC12370548.

https://www.dropbox.com/scl/fi/xldxphuzqw86m7xqx5s20/GLP-1RA-and-the-possible-skin-aging.pdf?rlkey=iiqiobjnckzwu3zt4yqxm1djl&st=pato0lja&dl=0 (dropbox link is actually from Thriving Through Menopause by Chiza Westcarr)

It’s probably rare for anyone to have tried every single of these. But for anyone that’s tried these curious your thoughts on how they compare.

This video is from Lydia Dupree. I've recently been interested in UPF clothing and been doing research and figured I'd share.

>And there's her post copy: What is UPF clothing (& does it work)?

UPF stands for Ultraviolet Protection Factor. It measures how much UV (UVB and UVA) radiation passes through a fabric and can reach your skin.

UPF clothing is distinguished from regular clothes by lab tests that show it shields the body from UV rays by a factor of 15 or greater. No garment can be labeled “sun protective” if its UPF is less than 15. All fabrics can have a UPF rating, but there are metrics that make some fabrics have a higher UPF rating, such as:
1. Darker colors block UV rays more
2. Tighter weave blocks UV rays more = such as in denim, synthetics, wool

Beyond these characteristics it is also good to know that looser clothing is better at blocking UV rays and that fabrics getting wet can also impact their UPF.

In general, synthetics like polyester (ew I know) have a higher UPF rating as they are a tighter weave than natural fibers.

Some UPF clothing also has zinc oxide - yes the same zinc oxide in mineral sunscreens - woven in to increase UV protection. Whether or not this is a good choice for you depends on your sensitivity to zinc.

UPF ratings can be 15, 30, and 50+, with 50+ blocking up to 98% of UV rays. A fabric must have a UPF of 50 to qualify for The Skin Cancer Foundation’s Seal of Recommendation.

In general, UPF clothing is best for long days outside in the sun, hiking, boating, running, etc. Clothing in general is your first choice for reducing UV exposure, no matter the rating, but if you are going to be in direct sun for longer periods of time or if you live in a climate with a lot of direct sunlight, it may be worth investing in high UPF clothing. Sustainable brands to look for include hikerkind and patagonia ⛰️

Found this on Instagram!

Hey, with the human body, lots of things are connected. And also research and education for women, longevity, their health, and hormones has always been understudied and under diagnosed. Menopause and peri affect your skin and just about every other biological process, this carousel is from by @kaiatinocyte.

The integumentary system is the body's largest organ system, primarily consisting of the skin, hair, nails, and glands. It acts as the physical barrier that separates the body's internal environment from the outside world, providing essential protection, sensory perception, and regulation of body functions. 

>Post copy: Menopause is associated with many visible changes within the skin, including dryness, fragility, loss of firmness, and wrinkle formation. But beneath these visible changes are complex biological shifts involving epidermal differentiation, calcium signalling, barrier organisation, dermal matrix integrity, and skin physiology. This carousel explores menopausal skin through the lens of corneobiology and modern skin science, connecting the visible signs of ageing to the underlying structural and functional changes occurring within the skin. Because understanding the biology of the skin allows for more intelligent conversations around treatment, ingredient selection, and long-term skin health. 🎓 Skin science education

I recently did pn with this mapping at 3-4 mm and have been loving the results. Thought I’d share if anyone else has tried it or is looking.

I can’t decide if this is a random partnership or not. Because you really shouldn’t be using benzoyl peroxide around the days immediately prior and after. But, also I get that it’s part of a combined lifestyle?

Saw on instagram but thought it was pretty accurate. I’d caveat that for the first 24 hours you only want to use sterile products and also more than 6 sessions is also beneficial like this is prob from a med spa where people buy a package.

Sharing a paper that discusses boosters. This is from 2023 and frames them as a loose category of localized biologic or biomaterial interventions that modify the dermal extracellular matrix, cell signaling, inflammation, angiogenesis, fibroblast behavior, collagen turnover, and tissue repair. A shift they note is that in the past discussion has been that important shift is from ha = volume to instead microenvironment modulation. 

Something to note is that this paper was retracted because the article contains several images sourced from the internet and/or previously published literature without appropriate citation or indication that permission for reuse has been obtained. This does not change the content or accuracy of the paper itself though.

From a high level, it discusses the following:

Hyaluronic Acid (HA)
The review describes hyaluronic acid as the foundational skin booster platform. Beyond its well known hydrating properties, HA interacts with the extracellular matrix, retains large amounts of water, and can mechanically influence fibroblast behavior. Studies cited in the review suggest that HA may promote collagen synthesis, support extracellular matrix maintenance, and improve tissue quality through both hydration and mechanical signaling effects. 

While most commonly discussed in aesthetic medicine, these mechanisms are relevant to broader questions of soft-tissue support, wound healing environments, scar remodeling, and the use of injectable biomaterials as localized tissue scaffolds. 

PLLA, PDLA
PLLA/PDLA are presented as collagen-stimulating materials. Unlike HA, they are less about hydration and more about provoking tissue remodeling over time. This makes them medically interesting as injectable biostimulators rather than simple fillers.

PDRN/PN
They are one of the strongest sections medically. The paper links PDRN to A2A receptor signaling, fibroblast proliferation, angiogenesis, wound healing, corneal fibroblasts, osteoblast proliferation, UV-damage repair, antimelanogenic effects, mitochondrial biogenesis, and scar improvement. That makes this category much broader than skin, but with implications for tissue repair, vascularization, corneal repair, bone-related regeneration, graft recovery, scars, and wound healing.

PRP
Described as an autologous concentration of platelets containing growth factors, cytokines, chemokines, and clotting-related factors. Its medical relevance is that it concentrates the body’s own repair signals in one location.

Growth factors
Discussed as signaling molecules involved in cell regeneration, collagen synthesis, wound healing, pigmentation, and tissue response. Their importance is that they directly influence how cells behave during repair.

Exosomes
Described as extracellular vesicles that carry proteins, mRNA, miRNA, lipids, and other signals between cells. The paper connects them to inflammation control, macrophage behavior, fibroblast activity, collagen and elastin synthesis, ECM remodeling, and wound healing. Medically, they matter because they may deliver regenerative signals without transplanting cells.

Secretomes
Broader cell derived mixtures that can include growth factors, cytokines, peptides, extracellular vesicles, and exosomes. The paper presents them as another way to influence tissue repair and cellular communication.

Chitosan
Presented as a regenerative biomaterial. The paper links it to stem-cell recruitment, angiogenesis, collagen production, and tissue regeneration. Medically, this makes it relevant to injectable matrices, wound repair, ischemic tissue support, and regenerative scaffolds.

If you have noticed, in general, I try not to say skin boosters, but rather boosters. One of the more interesting observations is that, despite being grouped together under the term skin boosters, many of these interventions appear to be addressing the same underlying question. How can regeneration be stimulated without introducing living cells? PDRN and polynucleotides attempt to influence repair through nucleotide-mediated signaling. Exosomes and secretomes seek to deliver regenerative instructions without cell transplantation. PRP concentrates endogenous growth signals. Chitosan appears to recruit and activate the body's own progenitor and stem-cell populations. Biomaterials such as PLLA function as controlled stimulators of tissue remodeling. Viewed collectively, these approaches resemble different branches of cell free regenerative medicine rather than purely aesthetic treatments. The common objective is not simply improving appearance, but influencing how tissues repair, adapt, and regenerate by altering local biological signaling and the surrounding microenvironment.

Although presented within the framework of aesthetic dermatology, the review effectively surveys several emerging approaches in localized regenerative medicine. The skin serves as an optimal site for research because it is visible, accessible, and relatively easy to biopsy, making the dermis the easiest way to observe for studying regenerative therapies in vivo. However, many of the biological pathways discussed throughout the review are not skin specific. Angiogenesis, stem-cell recruitment, osteoblast activity, extracellular matrix remodeling, mitochondrial biogenesis, immune regulation, and extracellular vesicle signaling are fundamental processes involved in tissue adaptation and regeneration throughout the body.

The implications therefore extend well beyond aesthetic skin quality. The mechanisms discussed in the review suggest potential relevance to wound healing, scar remodeling, graft and donor-site recovery, radiation injury, UV-induced tissue damage, chronic inflammatory and vascular disorders, soft-tissue atrophy, corneal repair, dental and periodontal regeneration, bone healing, implant integration, ischemic microvascular injury, fibrosis modulation, tendon and ligament repair, and tissue-engineered biomaterial scaffolds.

What I think is missing from this study
One thing that is almost absent from the paper is discussion of tissue architecture. The review primarily focuses on fibroblasts, collagen, hydration, growth factors, angiogenesis, and other dermal processes. However, many visible changes associated with aging occur within deeper structural tissues, including retaining ligaments, fascia, the SMAS, periosteum, adipose compartments, vascular networks, and mechanotransduction systems.

When the review discusses stem-cell recruitment, angiogenesis, osteoblast activity, extracellular matrix remodeling, and biomaterials that alter local biological signaling, the question naturally extends beyond dermal rejuvenation. Could these technologies eventually influence the biology of deeper connective tissue systems rather than merely improving the quality of the overlying skin? Could they affect the maintenance, adaptation, or regenerative capacity of the structural tissues that contribute to facial and bodily aging in the first place?

The paper does not explore these questions directly, but many of the biological pathways it discusses are relevant to those tissues as well. As a result, the review can also be read as an early discussion of technologies that may eventually be applied beyond the dermis and toward the broader biology of tissue maintenance and regeneration.

What I think is inconsistent
Something that feels inconsistent is the paper's categorization. It explicitly describes PLLA/PDLA and chitosan as biostimulatory materials because they trigger tissue responses rather than simply occupying space. By that definition, PN and PDRN are also biostimulators and arguably even more biologically active than PLLA. The review itself discusses A2A receptor activation, fibroblast stimulation, angiogenesis, DNA repair enhancement, mitochondrial biogenesis, wound-healing acceleration, and anti-inflammatory activity. None of these represent passive hydration or volumization, they are active biological responses.

The term skin booster obscures the underlying science and groups together materials that operate through very different biological mechanisms.

From a regenerative medicine perspective, a more useful classification might be something like this:

Note: The paper discusses a number of boosters, but it does not cover the entire regenerative aesthetics landscape. The classification below expands beyond the review to include related materials, products, and platforms that were not discussed by the authors. The goal is to create a more complete framework for understanding how these different boosters and injectables relate to one another based on what they are made of and how they function biologically. Items marked with an asterisk (*) were not discussed in the paper.

HA Based Matrix and Hydration Modulators
Non cross-linked HA
Low/minimally cross-linked HA
Cross-linked HA
Structural HA fillers
HA + glycerol products
Hybrid HA complexes* (Profhilo type products)
Deeper adipose-support HA concepts* (like Profhilo Structura)

Examples: Hyaron*, Skinvive*, Restylane Skinboosters*, Juvéderm Volite*, Profhilo*, Profhilo Structura*, NCTF 135 HA*, etc.

This category includes everything from non-cross-linked HA used primarily for hydration to highly cross-linked HA used for structural support and volumization. Differences in cross-linking, molecular weight, and formulation significantly affect tissue behavior, longevity, diffusion, and placement. The paper discusses HA in relation to hydration, extracellular matrix support, fibroblast activity, and collagen synthesis. More recent HA concepts have expanded beyond dermal hydration and skin quality toward adipose support, adipogenesis, and soft-tissue remodeling.

Particle / Polymer Material Biostimulators
PLLA
PDLA
PDLLA*
PCL*
CaHA*
Injectable PDO microspheres*
Chitosan
Hypertonic dextrose
Other polymeric microsphere or particle-based stimulators*

Examples: Sculptra*, AestheFill*, Juvelook*, Gana V*, Radiesse*, HArmonyCa*, Ultracol*, Polydio*, Gouri*, etc.

This category includes synthetic and natural materials that are intended to induce tissue remodeling through their presence within the tissue. Although the mechanisms differ between materials, reported effects include collagen production, extracellular matrix remodeling, angiogenesis, fibroblast activation, stem-cell recruitment, and other regenerative responses. Unlike HA based products, which primarily function as extracellular matrix components, these materials rely more heavily on material driven biological stimulation.

Collagen Based Injectables
Atelocollagen*
Recombinant human-like collagen*
Recombinant type I collagen / silkworm-derived collagen*
Porcine collagen*
Bovine collagen*
Human collagen-derived injectables*

Examples: CollaReju*, Tesoro*, Laetigen*, Linerase*, Nithya*, Karisma*, PuriColl RH*, Lapiena RH-X*, Hulaboo*, Skincolla*.

This category includes collagen derived from animal, human, and recombinant sources. Beyond serving as a structural protein, collagen participates in extracellular matrix organization, cell adhesion, tissue repair, wound healing, angiogenesis, and mechanotransduction. Interes t in this category extends beyond simple collagen replacement and increasingly toward its potential role as a regenerative scaffold capable of influencing how cells interact with and remodel their surrounding tissue environment.

Human Dermal ECM Boosters / hADM Matrix-Support Injectables*
hADM / human acellular dermal matrix
Particulated human dermal ECM
Collagen + elastin + GAG / HA matrix components

Examples: Elravie Re2O*, Adite ECM*, CellREDM*, Riola Exotriple*, Collapleo*, Richesse Collafilo*, Manla Kar*, Radieux+*, Hylamass*, Colladew*, etc.

These products are fundamentally trying to provide or restore components of the native extracellular matrix. The focus is less on stimulating a response through a foreign material and more on supplying a biologic scaffold derived from human tissue.This category includes injectable products made from or modeled around human dermal extracellular matrix. Unlike collagen-only products, hADM-based injectables contain a broader matrix environment, often including collagen, elastin, glycosaminoglycans, HA-related matrix components, and other structural ECM elements. The regenerative interest is tissue integration, matrix replacement, fibroblast interaction, vascular ingrowth, scaffold behavior, and restoration of the local tissue environment.

Nucleotide-Based Regenerative Biostimulators
PDRN
PN

Examples: Rejuran*, Plinest*, Nucleofill*, Jeunetique*, Croma PhilArt*, Plenhyage XL, Syniro, Placentex, Soonsu Ultra Reju, iLLUMA PN, Elaxen PN, etc.

PDRN/PN are more interesting because they sit at the intersection of nucleotide salvage, A2A receptor signaling, DNA repair, mitochondrial function, angiogenesis, fibroblast activity, wound healing, corneal repair, osteoblast proliferation, and tissue regeneration. That is a much broader regenerative category than growth factor support. The paper itself gives PDRN/PN a stronger translational signal than a basic cosmetic framing suggests.

Blo0d-Derived / Autologous Repair Concentrates
PRP
PRF*
Platelet Lysate*
Platelet-derived exosomes*

These are the body’s own concentrated repair signals. Important, but different from PN/PDRN because they are not a defined nucleotide-based molecular category.

Direct Signaling Molecules
Growth factors
Peptides*
Cytokine-based approaches*

These are products or ingredients intended to influence cell behavior through signaling pathways. This category is about biological instruction: stimulating repair, collagen production, wound response, pigmentation control, inflammation, or fibroblast activity.

Cellular Nutrition / Metabolic Support Injectables*
Amino acid blends*
Vitamin/mineral mesotherapy blends*
Coenzymes*
NAD+* / NMN*
Vitamin/mineral mesotherapy blends*
Succinic acid-containing products*
NCTF type formulations* (HA + amino acids + vitamins + minerals + nucleotides/coenzymes/antioxidants)

Examples: NCTF 135 HA*, BCN cocktails*, Dermaheal-type mesotherapy formulas*, NAD+/NMN injectable-grade products (Jeunetique NAD+,*, Reglory NAD+*, Hanheal*)*.

This category includes formulas designed to provide cells with substrates, cofactors, antioxidants, and metabolic support rather than acting as fillers, scaffolds, or classic biostimulators. These products often combine HA with amino acids, vitamins, minerals, nucleotides, coenzymes, antioxidants, NAD+/NMN-related ingredients, or succinic-acid-containing blends to support cell function, collagen synthesis, repair, and overall tissue quality.

Pigment / Melanogenesis / Oxidative Stress Modulators*
Glutathione*
Tranexamic acid*
Niacinamide*
Vitamin C / ascorbic acid*
Arbutin*
Kojic acid*
Cysteine*
Peptides with melanogenesis activity*
Other tyrosinase-inhibiting or antioxidant compounds*

Examples: Rejuran Tone-Up*, Soonsu Ultra White*, Dermaheal SB*, BCN Melano*, Jeunetique Exo*, Kiara Reju*.

This category includes injectable boosters aimed at pigmentation, melanin production, oxidative stress, and post-inflammatory discoloration rather than structural regeneration.

Adipose Matrix / Soft-Tissue Regenerative Scaffolds
Renuva/Leneva/Lipoderma type products*
Acellular adipose matrix products*
Adipose-derived ECM scaffolds*

Examples: Renuva*, Leneva*, etc

Renuva and Leneva are allograft adipose matrix products intended to replace or support inadequate adipose tissue matrix where fat naturally exists; Renuva’s matrix is described as preserving adipose ECM containing collagens, proteins, and growth factors to support cellular repopulation and vascularization. Lipoderma also appears to be an adipose allograft product, not a collagen booster or generic ECM booster.

Okay this is long thanks for making it this far lol!

Here's a good carousel from kaiatinocyte on how technique matters in microneedling and can create trauma.

Cheat sheet for Dr. Pen cartridges I found on Pinterest.

Looking for

Link: https://link.springer.com/article/10.1007/s00266-024-04454-8

DOI: https://doi.org/10.1007/s00266-024-04454-8

I think understanding how some of these scientific processes happen and work is looking at the larger medical field. This is a paper of PDRN in dentistry. Sometimes aesthetics research is only skin deep in treatments of studying these boosters and it's helpful to look at other areas of medicine.

Something you do not see in aesthetics research exploration currently is PDRN being studied on bone regeneration. The review links PDRN to osteogenic markers, vascularization, scaffold use, ridge preservation, sinus elevation, and bone-to-implant contact.

Dental regeneration needs coordinated cell proliferation, angiogenesis, inflammation resolution, and osteogenesis. PDRN plausibly supports that through two connected mechanisms: nucleotide salvage, which supplies substrates for DNA/RNA synthesis during repair, and adenosine A₂A receptor activation, which raises cAMP, suppresses inflammatory cytokines, and promotes VEGF-mediated vascularization.

Paper published online: 17 January 2026.

Abstract:

>BACKGROUND: Polydeoxyribonucleotide (PDRN) has emerged as a promising and cost-effective biological agent in regenerative medicine due to its anti-inflammatory, angiogenic, and tissue-regenerative properties.

>METHODS: This review outlines the mechanisms of action of PDRN, namely activation of the A2A receptor and nucleotide provision via the salvage pathway, and summarizes its biological roles in dental regeneration together with current preclinical and clinical evidence.

>RESULTS: In dentistry, PDRN has been shown to enhance osteogenesis and vascularization when used with bone graft scaffolds, to exert anti-inflammatory and chondroprotective effects in temporomandibular joint disorders, and to modulate pain pathways in neuropathic conditions. It has also demonstrated adjunctive benefits in managing inflammatory oral diseases such as peri-implantitis and medication-related osteonecrosis of the jaw, where its dual regenerative and antiinflammatory actions support both soft- and hard-tissue healing.

>CONCLUSION: Although these findings highlight broad therapeutic potential, current evidence remains limited. Most reports derive from preclinical experiments or small-scale clinical studies, and well-designed randomized controlled trials are needed to validate efficacy of PDRN and define its optimal clinical indications in evidence-based dental protocols.

Here is a direct quote from the paper's conclusion, "The broad therapeutic profile, along with its high safety margin and regenerative efficacy, underscores PDRN’s potential as a minimally invasive adjunct to enhance current regenerative protocols in dental practice and significant potential for broader indications in dentistry including bone regeneration, periodontal repair, implant therapy, MRONJ management, and neurovascular healing. However, current evidence is largely derived from preclinical studies and small-scale clinical reports. Future clinical studies, particularly well-designed clinical trials, will be essential to validate its long-term efficacy and define its precise role within evidence-based treatment protocols and optimal delivery systems to maximize therapeutic outcomes in diverse oral diseases."

I also think the pharmakinetics are worth noting, "Additionally, PDRN exhibits favorable pharmacokinetics with a peak concentration approximately 1 hour after intramuscular administration and a half-life of 3.5 hours, and a bioavailability ranging from 80 to 90%."