Written by: Ellie Pranckevicius, FNP-BC, Aesthetic Nurse Practitioner & Aesthetic Injector | Facial Restoration & Regenerative Injectable Specialist, Mirror Plastic Surgery | Last updated: August 9, 2026
Key Takeaways for Former QWO Patients
- QWO cellulite treatment is no longer available. Endo International permanently stopped production and sales in December 2022 because of bruising concerns and limited commercial viability.
- The same enzymatic action that dissolved fibrous septae also disrupted nearby blood vessels, which caused widespread bruising and unpredictable skin discoloration.
- Avéli has become the leading single-session mechanical subcision alternative. It produces consistent mild-to-moderate bruising that typically clears within about 30 days.1
- Other evidence-based options include Cellfina for results documented up to three years, plus radiofrequency and acoustic wave therapies for more diffuse cellulite texture.1
- Patients who want a personalized cellulite treatment plan can schedule a consultation with Ellie at Mirror Plastic Surgery.
Why QWO Was Discontinued Instead of Recalled
For more than a year before the December 2022 announcement, Endo tested ways to reduce QWO-related bruising, including various mitigation strategies. Some patient groups showed modest reductions in bruising area and severity. None produced consistent improvement that satisfied market concerns.
Blaise Coleman, President and CEO of Endo, summarized the decision: “After careful consideration, we have determined that QWO does not represent a viable commercial opportunity for Endo.” Tolerability concerns combined with limited commercial potential drove the withdrawal. The change did not result from a formal FDA safety recall.
How QWO Worked and Why It Caused Significant Bruising
QWO’s active ingredient, collagenase clostridium histolyticum, enzymatically degraded the collagen-containing fibrous septae that create cellulite dimples. The standard regimen used 0.84 mg administered subcutaneously across three sessions spaced about 21 days apart. The same enzymatic activity that released fibrous bands also affected nearby blood vessels, which produced predictable, widespread bruising.
In Phase 3 trials, QWO-treated subjects experienced injection-site bruising more often than placebo. Additional adverse reactions reported at higher rates than placebo included:
Most adverse reactions were temporary. However, bruising severity varied widely, and some patients developed prolonged skin discoloration. That unpredictability made QWO difficult to sustain in routine cosmetic practice.
Current Enzymatic Alternatives and the Rise of Avéli
With QWO off the market, no direct FDA-approved enzymatic injectable replacement exists as of 2026. The closest functional successor is Avéli, a handheld mechanical subcision device that releases fibrous septae through a targeted, real-time manual technique instead of enzymatic degradation.
Avéli received FDA approval in 2021 for cellulite reduction in the buttocks and thighs and delivers results after a single one-hour in-office session. In a multicenter study, subjects showed improvement on the Cellulite Severity Scale at 6 months after one treatment.1 Bruising occurs in all treated patients, yet it remains mild-to-moderate and clears on a predictable timeline, without the prolonged discoloration patterns seen with QWO. Most patients resume daily activities within 24 to 48 hours, and results continue to refine as bruising and swelling settle over about 30 days.
Mirror Plastic Surgery offers Avéli to patients in St. Petersburg and the broader Tampa Bay area who want a single-session, evidence-based treatment for moderate-to-severe buttock cellulite.
Discuss Avéli with Ellie during a personalized consultation to see whether your anatomy and goals match this approach.
Non-Enzymatic Cellulite Treatments and When They Make Sense
Avéli treats cellulite by mechanically cutting fibrous bands. Non-enzymatic options take different paths, using energy, pressure waves, or collagen stimulation instead of physically releasing septae. These approaches can suit patients with diffuse texture changes, those who prefer non-invasive care, or those combining treatments for layered improvement.
Several of these modalities carry FDA clearance and published clinical data for buttock and thigh cellulite.
Cellfina uses vacuum-assisted subcision with a 0.45 mm microblade to release fibrous septae. It is the only FDA-cleared minimally invasive procedure clinically proven to improve cellulite appearance for at least three years. In a multicenter pivotal study of 55 patients, Cellfina achieved improvement in 98% of subjects and 96% patient satisfaction at 2 years, with FDA clearance for results lasting up to 3 years.1
RESONIC uses rapid acoustic pulse technology for non-invasive acoustic subcision. A multicenter study reported a mean 1.01-point (29.5%) reduction in Cellulite Severity Scale score at 12 weeks after a single treatment.1
Radiofrequency (RF) heats the dermis and subcutaneous tissue to stimulate collagen production. A 2025 systematic review found that RF can reduce thigh circumference and subcutaneous tissue thickness.1 RF works best for diffuse, mild-to-moderate cellulite texture rather than isolated dimples.
Acoustic wave therapy uses pressure waves to improve circulation and trigger collagen remodeling. A 2019 meta-analysis found improvement in cellulite severity after acoustic wave therapy, especially when combined with other modalities.1 Multiple sessions are necessary, and results fade over time.
Biostimulatory injectables such as poly-L-lactic acid (PLLA/Sculptra) and diluted calcium hydroxylapatite (Radiesse) also have published evidence for cellulite improvement through neocollagenesis.
QWO vs. Avéli: Side-by-Side Overview
Enzymatic collagenase injection that dissolves fibrous septaeFrequent bruising in Phase 3 trialsMild-to-moderate bruising in all patients that clears on a predictable timelineThree sessions spaced about 21 days apartAdverse reactions were generally temporary in pivotal trials
| Feature | QWO | Avéli | Notes |
|---|---|---|---|
| Mechanism | Handheld mechanical subcision with real-time septae visualization | Both target fibrous septae, yet the method of release differs completely. | |
| Bruising Risk | QWO bruising varied in severity and duration, while Avéli bruising remains consistently manageable. | ||
| Number of Treatments | Single one-hour treatment session | Avéli typically requires only one visit for the primary treatment. | |
| Downtime / Recovery | Return to daily activities within 24 to 48 hours, with results evolving over about 30 days.1 | QWO carried added risk of prolonged skin discoloration in some patients. |
QWO is no longer commercially available. This comparison helps former QWO candidates understand why Avéli has become the primary single-session subcision option for buttock cellulite.
How to Choose a Cellulite Treatment Provider
Cellulite results depend heavily on provider expertise, detailed anatomical assessment, and honest patient selection. The American Academy of Dermatology notes that results vary by method and are generally not permanent. Patients benefit most from realistic, individualized guidance instead of one-size-fits-all protocols.
When you evaluate a provider, use the following criteria, which together show whether the practice prioritizes individualized care over volume-driven routines:
- Does the provider spend adequate time, ideally up to an hour, performing a top-to-bottom anatomical assessment before recommending treatment? Without this level of assessment, recommendations cannot truly match your anatomy.
- Does the provider offer unbiased guidance across multiple modalities, or rely on a single device or product line? A device-neutral practice can select the treatment that fits you instead of fitting you into a preset protocol.
- Does the practice limit daily procedure volume to maintain focused, individualized care? High-volume schedules reduce the time and attention available for planning, treatment, and follow-up.
- Does the provider communicate realistic expectations, including bruising, recovery timelines, and maintenance needs? Clear, honest communication supports long-term satisfaction and trust.
- Is the provider transparent about which treatments are not appropriate for your anatomy, skin laxity, and cellulite grade? A willingness to say “no” to the wrong option reflects clinical integrity.
At Mirror Plastic Surgery, Ellie Pranckevicius, FNP-BC, conducts comprehensive consultations that place safety, function, and aesthetics in that order of priority. The practice limits daily procedures so each patient receives focused attention from the clinical team before, during, and after treatment.

Realistic Expectations and Long-Term Maintenance
No current cellulite treatment, whether enzymatic, mechanical, or energy-based, produces permanent results. The American Academy of Dermatology reports that cellulite treatments can reduce appearance, yet results usually fade over time.1 Subcision-based options such as Avéli and Cellfina offer the most durable single-treatment outcomes.1 Radiofrequency and acoustic wave therapies require periodic maintenance sessions.
Bruising occurs with any subcision-based procedure. Patients should expect the mild-to-moderate bruising described earlier, which follows a predictable resolution pattern over about 30 days with Avéli. This pattern differs from the variable and sometimes prolonged discoloration that contributed to QWO’s withdrawal. Patients with bleeding disorders, those taking anticoagulants, or those with active infection at the treatment site are not suitable candidates for subcision and should explore alternatives during consultation.
Long-term outcomes also depend on weight stability, skin laxity, and cellulite grade. Avéli is indicated for long-term reduction in the appearance of cellulite in the buttocks and thighs of adult females.1 It does not tighten loose skin or remove fat. Combining treatments, such as subcision with biostimulatory injectables or radiofrequency, can extend and enhance results for the right candidates. An individualized assessment determines whether combination therapy makes sense for your goals and recovery preferences.
Why Up-to-Date Cellulite Information Matters in 2026
The end of QWO created a noticeable information gap online. Many patients still see promotional content for a treatment that has not been available for years. Patients may still encounter outdated online information about QWO treatment. Informed decisions require current, evidence-based guidance from a provider who can review your anatomy, explain how each option works, and outline realistic limitations.
Cellulite remains one of the most over-promised and under-delivered areas of aesthetic medicine. Many patients try ineffective options before they reach evidence-based care. The strongest results consistently come from providers who match the right modality to the right patient, not from any single device or brand.
Frequently Asked Questions
Is QWO still available anywhere in 2026?
No. Endo International permanently stopped production and sale of QWO in December 2022. The product retained FDA approval at the time of withdrawal, yet the decision reflected commercial and bruising concerns rather than a formal safety recall. No licensed provider can legally dispense new QWO product, and any leftover inventory from 2022 would now be expired. Patients who want enzymatic or subcision-based cellulite treatment should speak with a qualified provider about current options such as Avéli.
Why did QWO cause so much bruising, and is bruising unavoidable with cellulite treatments?
QWO’s collagenase enzyme dissolved the collagen-containing fibrous bands beneath the skin. These bands sit close to small blood vessels, so the enzymatic action also disrupted surrounding vasculature and caused widespread bruising in Phase 3 trial participants. The severity and duration of that bruising varied from patient to patient, and some developed long-lasting discoloration.
Bruising also occurs with mechanical subcision procedures such as Avéli. However, Avéli’s bruising pattern is consistently mild-to-moderate and usually clears within about 30 days. The key difference lies in predictability. Avéli’s bruising profile is well characterized and manageable, while QWO’s was not. Patients considering any subcision-based treatment should review their bleeding history and current medications with their provider before moving forward.
What is the most effective cellulite treatment available in 2026 for buttock dimpling?
For discrete buttock dimples caused by fibrous septae, subcision-based treatments carry the strongest evidence. Avéli has shown improvement on the Cellulite Severity Scale at 6 months after a single treatment. Cellfina, a vacuum-assisted subcision system, demonstrated the durability described earlier, with improvement in nearly all subjects and satisfaction rates above 95 percent at the two-year mark and clearance for results lasting up to three years.
For diffuse texture rather than distinct dimples, radiofrequency and acoustic wave therapies provide measurable improvement but require multiple sessions and ongoing maintenance. Biostimulatory injectables such as poly-L-lactic acid (Sculptra) and diluted calcium hydroxylapatite (Radiesse) support neocollagenesis and have produced high satisfaction in published studies. The most effective plan for any individual depends on cellulite grade, skin laxity, anatomy, and goals, which require an in-person assessment.
How is Mirror Plastic Surgery’s approach to cellulite treatment different from other practices?
Mirror Plastic Surgery follows a concierge-style model that limits daily procedures to one or two, so the clinical team can focus fully on each patient. Initial consultations with Ellie Pranckevicius, FNP-BC, can last up to an hour and include a detailed top-to-bottom anatomical review. Instead of recommending a single device or protocol, the practice evaluates anatomy, cellulite grade, skin laxity, and long-term goals before suggesting a plan.
The practice remains supplier-neutral, which means recommendations are based on evidence and suitability rather than quotas or commissions. This structure appeals to patients who value safety, anatomical expertise, and direct communication over high-volume or price-driven care.
Can cellulite treatments be combined for better results?
Yes. Emerging research supports combination approaches for carefully selected patients. A 2026 prospective trial reported that combining targeted verifiable subcision with helium plasma radiofrequency produced progressive improvement in cellulite appearance through Day 180, with histologic evidence of collagen remodeling and elastin regeneration.1 Biostimulatory injectables such as poly-L-lactic acid can complement subcision by addressing skin laxity and stimulating new collagen where structural release alone does not suffice.
Radiofrequency and acoustic wave therapy can also be layered with subcision-based treatments to address diffuse texture along with discrete dimpling. Whether combination therapy is appropriate depends on anatomy, recovery tolerance, and goals, which your provider should review during a personalized consultation.
Disclaimer: Results may vary from person to person. Editorial content, before and after images, and patient testimonials do not constitute a guarantee of specific results.
1 Results may vary from person to person. Editorial content, before and after images, and patient testimonials do not constitute a guarantee of specific results.


