Important framing. This article summarises published research on ozonated glycerin and skin-repair biology as explored in laboratory models. It is educational context about research, not a product claim, not a treatment recommendation, and not medical advice. Kōzōn products are cosmetics intended for topical use; they are not intended to diagnose, treat, cure, or prevent any disease, and they are not intended as treatments for wounds, injuries, or any medical skin condition. For any wound care or medical skin concern, consult a qualified healthcare provider.
With that framing established — here's a plain-language summary of what the research has explored.
The 2026 NC State University Research
In February 2026, researchers from NC State University published findings in the journal Cosmetics examining how ozonated glycerin interacts with skin-cell biology in laboratory models. It's the most mechanistically detailed research on the ingredient published to date.
It is important to be upfront about what this research is and isn't:
- The study used 3D epidermal wound-healing models (tracked over 13 days) and ex vivo human skin biopsies (tracked over 4 days). These are laboratory models widely used in dermatological research.
- The study is not a human clinical trial. It is mechanistic and model-based research.
- The study does not test or support any specific product's effect on human wound care or any medical condition.
- The findings describe how ozonated glycerin behaved in these specific lab models, compared with plain glycerin.
With that framing, here are the headline findings the researchers reported.
Reported lab-model findings
Closure rate in 3D model. In the 3D wound-closure model, the ozonated-glycerin condition showed a 6.8% higher closure rate than plain glycerin over the observation period. The researchers attributed this to enhanced cell migration — keratinocytes (skin cells) moving across the modelled wound area.
Cytokine expression. Ozonated glycerin reduced expression of IL-1 alpha, a cytokine involved in the early inflammatory response to skin damage.
Growth-factor expression. The study reported increased secretion of TGF-beta 1, a signalling protein involved in tissue-repair processes.
Barrier-protein expression. Expression of claudin-1 and desmocollin-1 — two proteins that support tight junctions between skin cells — was higher in the ozonated-glycerin condition than in controls.
Extracellular-matrix components. The research reported increased expression of collagen type III and TIMP-1 (tissue inhibitor of metalloproteinase 1), both involved in the scaffolding that underlies skin repair.
Together, these findings describe a pattern of mechanistic effects on skin-cell biology in laboratory conditions.
What This Research Does Not Establish
- Clinical outcomes in humans. Mechanistic findings in 3D models are encouraging but not equivalent to controlled human clinical trials. The next step in this research area — if this line of investigation continues — would be human trials examining whether these mechanisms translate to measurable clinical outcomes.
- Product-specific claims. A published study about ozonated glycerin as an ingredient category does not transfer as a claim to any specific cosmetic product containing ozonated glycerin.
- Medical treatment applicability. Nothing in this research supports the use of any cosmetic product as a medical treatment for wounds, injuries, or clinical skin conditions.
In short: interesting mechanistic research, not a medical claim about any product.
What "Skin Repair" Means Cosmetically
A clarification worth making. In the cosmetic category, phrases like "skin repair" or "barrier repair" are used to describe how certain ingredients support the skin's natural barrier function and the appearance of healthy-looking skin. Cosmetic skin-repair claims stay within the boundaries of:
- Supporting the appearance of a stronger-looking skin barrier
- Helping skin feel more comfortable and less tight
- Supporting the sensory experience of well-hydrated, soft skin
Cosmetic "skin repair" does not mean:
- Healing wounds, cuts, or scrapes
- Treating any medical skin condition
- Replacing medical wound care
The research described above is about biological mechanisms in lab models. The cosmetic claims any product can make are limited to appearance and feel. These two framings sit alongside each other but do not merge.
Why We're Summarising This Research Here
Kōzōn makes an ozonated glycerin product. When research is published in our ingredient category, we think it's reasonable to discuss that research publicly — with the appropriate framing — rather than either over-claiming what it means or pretending it doesn't exist.
This article is written for the curious, informed shopper who might read a news headline about the NC State research and want a plain-language summary with the regulatory and scientific context clearly laid out. We hope it's useful in that spirit.
Where Our Products Actually Sit
Kōzōn's Ozonated Glycerin is a cosmetic body-care / skincare product — a single-ingredient, USP-certified, coconut-derived ozonated glycerin. The cosmetic claims we make for it are:
- It's a humectant — draws moisture to the skin's surface
- It leaves skin feeling soft, comfortable, and well-hydrated
- It fits cleanly under other products in a layered skincare routine
- It's a clean, minimal ingredient list suited to simple routines
Those are the cosmetic claims. Any connection between the research summarised above and our product's effect on your skin is a connection we are not making in our own voice, because the research doesn't support product-specific claims and because we're marketing a cosmetic, not a drug.
For more on the ingredient in a cosmetic-use context, see our ozonated glycerin guide.
For Wound Care
Wounds, cuts, scrapes, and any injuries to skin should be managed according to current first-aid and medical guidance. This typically means: clean the wound with appropriate antiseptic, cover with a sterile dressing, and seek medical attention for wounds that are deep, contaminated, bleeding heavily, show signs of infection, or don't show normal healing progression.
A cosmetic product is not wound care. Do not apply Kōzōn's Ozonated Glycerin or any cosmetic product as a wound-care treatment.
The Bottom Line
Research published in 2026 from NC State University examined ozonated glycerin's behaviour in laboratory skin-repair models. The findings describe mechanistic effects on specific markers in specific models. They are not, on their own, a basis for medical claims or product-specific therapeutic claims. Human clinical trials — if and when they're conducted — would be the next step in establishing clinical relevance.
Cosmetic products containing ozonated glycerin remain cosmetic products, with cosmetic claims, in the cosmetic regulatory category. That's where Kōzōn's products sit, and that's how we market them.
Disclaimer
Kōzōn products are cosmetics intended for topical use. They are not intended to diagnose, treat, cure, or prevent any disease, and they are not intended as wound-care products or medical treatments. This article summarises published research for educational context only; it is not a claim about any product's effect. For any medical concern or wound care need, consult a qualified healthcare provider.
Sources
- NC State University / Cosmetics, February 2026 — "Ozonized glycerin and skin-repair mechanisms in 3D epidermal models"
- Ozone therapy for skin diseases: cellular and molecular mechanisms — International Wound Journal, 2023
- Ozonized glycerin clinical study — Journal of Cosmetic Dermatology, 2022 (context on topical tolerability)