According to Research Nester’s 2025 analysis, the global injection lipolysis market hit USD 416.5 million in 2024, reflecting around 360,000 fat-dissolving procedures performed worldwide that year. This surge underscores how injectable treatments are becoming a go-to solution for those seeking non-surgical body contouring.
As more people turn to minimally invasive options to reduce stubborn fat, understanding how newer treatments perform in real-world settings is essential. One product gaining traction is Prostrolane Inner B—a targeted injectable designed to break down localized fat while offering a favorable safety profile.
In this article, we’ll share firsthand experiences from both patients and practitioners who’ve used Prostrolane Inner B, examine how well it works and how well it’s tolerated, and offer practical tips for professionals thinking of adding it to their aesthetic toolkit.
Key Takeaways
- Prostrolane Inner B is a minimally invasive injectable used for localized fat reduction and body contouring, utilizing biomimetic peptides and cross-linked hyaluronic acid.
- While it lacks FDA approval, it holds a CE mark and is widely used based on real-world clinical experience and Caregen’s internal data.
- Most patients experience minimal side effects like mild swelling or tenderness, and can resume daily activities immediately after treatment.
- Practitioners value Inner B’s easy handling, precise injection control, and gradual contour improvements, typically achieved over 3–4 treatment sessions.
- Clinics enhance retention and revenue by bundling sessions, integrating Inner B with other technologies, and fostering engagement through digital tools.
- Although further research is needed, current evidence suggests that Inner B is a safe, effective, and patient-friendly alternative to surgical fat reduction.
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Patient Reviews of Prostrolane Inner B – Comfort and Results
Caregen developed the Prostrolane B series, which includes Inner B, Inner B SE, Natural B, and Blanc B. While these products share similar active components, they differ in indications, ranging from skin rejuvenation to fat reduction. The Prostrolane B line uses a combination of biomimetic peptides and cross-linked hyaluronic acid, making them a novel option in non-surgical aesthetic treatments.
Among these, Prostrolane Inner B is intended for facial and body contouring. However, due to the limited number of clinical studies, the product has not undergone the US FDA approval process. Still, it holds a CE mark, and aesthetic providers often rely on Caregen’s real-world patient data and practitioner experience to guide treatment use.
Although comprehensive patient reviews are scarce, clinical trials have supported Inner B’s safety and effectiveness in fat reduction. Results vary depending on the treatment area, but the standard protocol involves three to four sessions, spaced two weeks apart. The amount of product per session may vary.
Patients typically report mild, temporary effects post-treatment, such as swelling, tenderness, or bruising, most of which resolve within a week. These Prostrolane Inner B side effects are considered minimal compared to more invasive procedures. Thanks to its minimally invasive nature, patients can often return to their daily routines immediately after treatment.
Practitioner Feedback on Prostrolane Inner B – Technique and Outcomes
While there are limited detailed practitioner reviews, feedback from clinical experience highlights key advantages that make Prostrolane Inner B a favored choice in many practices.
- Handling: Inner B comes in a prefilled 2 mL syringe, containing 0.7% sodium hyaluronate and four biomimetic peptides. Its cohesive gel texture allows for smooth, precise injections with every use.
- Mechanism: The peptide complex targets adipocytes (fat cells), activating AMPK, PKA, and ERK signaling pathways. This biochemical activity supports fat breakdown and collagen remodeling, producing smoother and firmer treatment areas over time.
- Patient Comfort and Satisfaction: Most patients tolerate the procedure well, especially when applying topical numbing before the treatment. Immediate return to activities and gradual contour improvements often translate into high satisfaction ratings, particularly when expectations are properly managed.
Common Pros and Cons of Prostrolane Inner B Noted in Reviews
Based on Caregen’s official data and practitioner experience, Prostrolane Inner B comes with both advantages and limitations. Understanding these can help patients and clinicians decide if it fits into a personalized aesthetic treatment plan.
Pros
- Requires no incisions or general anesthesia
- Most patients feel minimal discomfort, especially with numbing cream
- Causes little to no swelling, bruising, or downtime
- Allows patients to resume daily activities immediately
- Combines hyaluronic acid and peptides for natural-looking fat reduction and contouring
Cons
- Typically requires 3–4 sessions spaced apart for full results
- Results appear gradually, not instantly
- Multiple appointments can increase total cost
- May cause mild tenderness or redness post-injection
- Less effective in areas with dense or fibrotic fat tissue
While not a one-size-fits-all solution, Inner B’s safety profile and visible results make it an attractive option for patients seeking non-surgical body shaping.
How Clinics Are Using Prostrolane Inner B to Improve Retention and Revenue
Clinics across the globe are leveraging Prostrolane Inner B as part of broader body contouring strategies. Its predictable performance and minimal recovery time give practitioners the flexibility to design patient-centered programs that also support practice growth.
- Bundle Treatment Programs: Providers offer package deals that include all four recommended sessions, giving patients a clearer view of costs while ensuring adherence to the optimal treatment schedule.
- Multi-Modality Synergy: Some clinics pair Inner B with radiofrequency devices, muscle stimulation, or lymphatic massage. This multi-pronged approach can elevate both clinical outcomes and patient satisfaction.
- Digital Engagement: Practices are enhancing engagement through automated reminders, progress photos, and feedback surveys—all of which improve compliance, maintain motivation, and foster long-term loyalty.
By combining solid science with creative patient care strategies, Inner B is becoming a powerful tool for clinics aiming to deliver results that keep clients returning.
Conclusion
Prostrolane Inner B continues to build its reputation as a minimally invasive, well-tolerated solution for localized fat reduction. Patients value its comfort, gradual improvements, and low-risk profile, while practitioners appreciate its ease of use and clinical reliability.
Though further research would deepen understanding, existing data—and the real-world success shared by providers—underscore its value in aesthetic medicine. For those seeking non-surgical body shaping solutions, Inner B is worth considering as part of a modern contouring approach that prioritizes safety, subtlety, and satisfaction.
FAQs
1. What does Prostolane Inner B do?
Prostrolane Inner B delivers non-surgical fat reduction and body contouring. It targets localized adipose tissue to help improve aesthetics without the need for surgical procedures.
2. How many treatment sessions will a patient need for optimal results with Prostrolane Inner B?
Patients typically require three to four treatment sessions, spaced approximately two weeks apart, to achieve optimal outcomes.
3. What are the common side effects of Prostrolane Inner B?
Common side effects include mild tenderness and minor swelling at the injection site. These usually resolve within a few days to a week.
References
Pawar R. Injection Lipolysis Market Size & Share, Growth Trends 2037. Research Nester. Published May 16, 2025. Accessed July 29, 2025. https://www.researchnester.com/reports/injection-lipolysis-market/7595
CAREGEN CO., LTD. PROSTROLANE B-Series. caregen.co.kr. Published 2021. Accessed July 29, 2025. http://caregen.co.kr/eng/wp-content/uploads/sites/4/2021/03/Prostrolane-Filler-B-Series_20210222_small.pdf
