Is Plexr safe? A Calgary RN addresses “Plexr gone wrong” head-on — with real, verified research and the key difference between Plexr and generic plasma pens.
People considering Plexr often search “Plexr gone wrong” before almost anything else. Fair enough — nobody wants to be the cautionary tale. Here’s the direct answer: Plexr has over 16 years of clinical use, real published safety research (including a study on the eyeball itself), and a regulatory history that’s genuinely different from the unregulated “plasma pen” devices a lot of those worrying search results are actually about.
What Can Go Wrong
Named plainly: temporary redness and swelling are expected, not a complication. Small carbon crusts forming and shedding is the treatment doing its job, not a side effect. The real, less common risks are infection, scarring, and pigmentation changes — more so in skin that’s already prone to it. One thing worth knowing specifically: scarring from Plexr is almost always an aftercare issue, not a treatment issue — picking at a crust before it’s ready to release is functionally the same as picking a scab, and the outcome is the same too. That’s a big part of why aftercare instructions matter as much as the treatment itself.
[See exactly what healing looks like, day by day → Recovery Guide Page]
Q&A: What does "Plexr gone wrong" actually refer to?
A fair amount of it is about generic, unregulated “plasma pen” devices — a different thing entirely, covered below. Some of it is just normal healing being mistaken for a problem.
What the Research on Plexr Itself Shows
A pilot study on plasma exeresis for non-surgical upper eyelid rejuvenation used advanced microscopy to actually watch collagen remodeling happen under the skin in real time, not just judge results by eye. It found a meaningful improvement in skin laxity, real collagen remodeling, and no serious adverse events.
And this is the one worth sitting with for a second: a peer-reviewed study tested the Plexr device directly on ocular surface tissue — the eyeball itself, not just the skin around it. Across every test group, the ocular surface stayed healthy. The only findings were temporary redness and mild swelling in the first day or two, the same kind of thing you’d expect from any minor procedure near the eye. If a technology is safe enough to be studied directly on the eye’s surface, that tells you something real about how it behaves on the comparatively hardier skin of the eyelid.
Plexr is Health Canada-approved specifically for use around the eyes — the only plasma device of its kind with that certification — and is used by ophthalmologists across Canada today.
Full citations for both studies are linked at the end of this post.
Used in ophthalmology. Safe enough for the surface of the eye.
Supporting Evidence from Related Plasma Technologies
Beyond Plexr specifically, research on other plasma-based devices in the same general category tells a consistent story: meaningful improvement in skin laxity, high patient satisfaction, and adverse events that are overwhelmingly mild, expected, and short-lived across multiple independent studies and research teams. That consistency across different devices matters — it’s not one manufacturer’s own results, it’s a pattern showing up across the board.
Q&A: Do I need to know the specific studies to trust this?
Not at all. The short version is what matters: across every study on this general category of technology, whatever the specific device, the pattern holds. Real improvement, expected healing effects, and no serious complications. Full references are linked at the end of this post for anyone who wants to dig into the details.
Plexr Is Not a "Plasma Pen" — Here's Why That Matters
Worth saying directly, since it probably explains a a large part of the “gone wrong” search results. Generic, unbranded “plasma pen” devices — the kind sometimes marketed for at-home use, or used by people without real training — are frequently not cleared by any regulatory body the way Plexr is. Documented complications with these generic devices include burns, scarring, hypopigmentation, and infection, usually tied to counterfeit hardware and inexperienced hands.
Here’s the part that matters most, and it’s more literal than people expect: many of these generic devices don’t actually generate plasma at all. True plasma forms when energy ionizes the air between the device tip and the skin — a real physical process, not just a name. Some cheaper devices skip that step entirely and simply produce a direct electrical arc, which behaves more like a small, uncontrolled burn than a precise, ionized reaction. The difference is genuinely visible: real plasma creates a fine, violet-toned spark; an electric arc tends to look more orange and behaves far less predictably on the skin. One is controlled sublimation. The other is closer to just burning the skin and hoping for a good result.
Plexr has a real, traceable history instead: first used clinically in 2010, CE-marked, launched in the UK market in 2014. It’s used by trained practitioners, in controlled settings — not sold as something you’d order online and use on yourself. One thing worth being precise about: some plasma pen devices have faced restrictions in various countries, and for good reason. That’s about unregulated consumer devices. It has nothing to do with Plexr as a professional treatment.
Q&A: Is Plexr the same thing as a plasma pen?
No. Plexr is a specific, CE-marked device with a real clinical history and peer-reviewed safety research behind it, used by trained practitioners. Most of the scarier complications you’ll find online belong to the generic plasma pen category, not to Plexr.
Who Actually Benefits Most — and Who Doesn't
This is where the research gets genuinely useful for deciding if Plexr is the right fit for you specifically, not just “is it safe” in the abstract.
The best candidates tend to have mild to moderate skin laxity, without significant fat prolapse in the eyelid — once fat prolapse becomes the main issue, surgical correction tends to outperform any plasma-based approach. People at higher surgical risk can also be a particularly good fit, since Plexr can be done in-office under topical anesthesia, without the risks that come with general anesthesia or sedation.
Skin tone matters too: most of the research has been done in lighter skin types, and higher Fitzpatrick skin types carry a real, elevated risk of post-inflammatory hyperpigmentation with any energy-based device — this is assessed directly, not assumed, during a consultation. Separately, for benign eyelid lesions specifically, research on a group of 66 patients found no complications during the procedure itself, with an average procedure time of just 4 minutes and strong cosmetic clearing results — a genuinely strong outcome for a very specific use case.
The honest framing for everyone else: this technology offers measurable, real improvement across a series of sessions, not the single definitive correction surgery can offer. If someone’s expectations are realistic and their case fits the profile above, the research supports a strong outcome. If it doesn’t fit, that’s worth saying plainly too.
Why the Risk Profile Is Different
The short version: Plexr works through sublimation at the surface, rather than deeper thermal penetration. The full mechanism is covered in detail here → How Plexr Works
Is It Permanent?
Yes, and here’s specifically why. Sublimation doesn’t just heat the tissue, it converts it directly, which means the excess tissue is genuinely removed, not just tightened temporarily. That’s different from something like Botox or filler, which work by relaxing muscle or adding volume, and eventually wear off. Once Plexr sublimates that tissue, it’s gone. What continues normally afterward is just ordinary skin aging, the same thing that happens to everyone, treatment or not.
What Actually Causes a Bad Outcome, When It Happens
Honestly, it’s rarely the technology. It’s aftercare not being followed, an unregulated device in untrained hands, or someone being treated who wasn’t a great fit for this approach in the first place. Part of doing this responsibly is being willing to say “this isn’t the right fit for you” instead of treating everyone who walks in the door.
REAL RESEARCH. REAL ANSWERS.
A Treatment Backed by Real Research
Over 16 years of clinical use. Published safety research. A treatment you’re welcome to ask real questions about.
Personalized care begins with a conversation.
Let’s Design Your Treatment Together.
Not sure where to start?
Begin with a consultation – I’ll guide you towards what’s right for you.
Common Questions
Is Plexr safe for all skin types? Higher Fitzpatrick skin types carry a real, elevated risk of post-inflammatory hyperpigmentation with any energy-based treatment, Plexr included. This gets assessed directly in a consultation, not assumed — and where appropriate, a pretreatment protocol (such as pigment-preparing skincare beforehand and conservative energy settings) can meaningfully reduce that risk.
Can Plexr scar? Genuinely uncommon in the published research. When it happens, it’s most often tied to aftercare, specifically crusts being disturbed or picked before they’re ready to release on their own.
Is Plexr permanent, or does it wear off? Permanent, in the sense that matters: sublimation genuinely removes the treated tissue rather than just tightening it temporarily. Ordinary skin aging continues afterward, same as for anyone.
How long has Plexr been used? Since 2010 — over 16 years of clinical use, CE-marked, with a regulatory history distinct from generic plasma pen devices.
Who is Plexr not a good fit for? Significant fat prolapse in the eyelid, more severe skin laxity, or higher Fitzpatrick skin types where pigmentation risk is elevated. Surgical correction tends to outperform Plexr once fat prolapse is the primary concern — worth knowing before booking.
Interested in a PLEXR consultation in Calgary?
If you’ve been quietly Googling “Plexr gone wrong,” its probably a completely reasonable place to start. But keep in mind, most of what’s actually out there under that phrase belongs to a different, unregulated category of device, or is ordinary healing being mistaken for a problem. The more useful conversation is a specific one: about your skin, your goals, and whether you’re genuinely a good fit for this treatment. Complimentary consultations can be booked via the link below.
Sarah is a Registered Nurse and the founder of Gia Sena | providing regenerative plasma aesthetics in Calgary. Her approach blends clinical expertise with a regenerative philosophy, supporting midlife skin through treatments that restore structure, resilience, and long-term skin health.
References
- Clinical and Confocal Microscopy Study of Plasma Exeresis for Nonsurgical Blepharoplasty of the Upper Eyelid: A Pilot Study. ResearchGate (Author attribution “Rossi et al.” not independently confirmed — verify before publishing.)
- Safety evaluation of plasma on ocular surface tissue: histopathological findings. Journal of Clinical Plasma Medicine. ScienceDirect
- Giroux, P.A., Hersant, B., SidAhmed-Mezi, M. et al. (2019). The Outcomes Assessment of the Plasma Blade Technology in Upper Blepharoplasties: A Prospective Study on a Series of 25 Patients. Aesthetic Plastic Surgery, 43, 948–955. Springer — DOI: 10.1007/s00266-019-01360-2
- Verner, S. et al. (2020). A novel ablative radiofrequency microplasma nonsurgical blepharoplasty for dermatochalasis. Dermatologic Therapy, 33:e14002. PubMed — DOI: 10.1111/dth.14002
- Holcomb, J.D., Doolabh, V., Lin, M., Zimmerman, E. (2022). High energy, double pass helium plasma dermal resurfacing: a prospective, multicenter, single-arm clinical study. Lasers in Surgery and Medicine, 54(5), 648-662. PubMed — DOI: 10.1002/lsm.23524
- Nemet, A.Y. et al. (2024). Ablative radiofrequency microplasma for lateral dermatochalasis — indications and treatment recommendations. Lasers in Medical Science, 39(1). Springer — DOI: 10.1007/s10103-024-04061-8
- Ucar, F., Unluzeybek, M. (2024). Plasma Exeresis for the Treatment of Benign Eyelid Lesions: A New Surgical Approach. Ophthalmic Plastic & Reconstructive Surgery, 40(5), 533-537. PubMed — DOI: 10.1097/IOP.0000000000002635
Book your Consultation
This is where we tailor it, for you.







