Penis enlargement surgery exists, and clinics advertise it aggressively, especially abroad and on social media. But it isn't a simple cosmetic fix. Gains tend to be small, satisfaction is low, and complications can be serious. In Mayo Clinic's words, no trusted medical organization endorses penis surgery done purely for looks.
Here's what the research shows about each type of procedure.
Length surgery: cutting the suspensory ligament
The penis is held to the pubic bone by the suspensory ligament. Cutting it lets some of the internal part of the penis slide outward. No new tissue is created. The penis just sits lower and further forward.
The results
- In a London study of 42 patients, the average gain was 1.3 cm, and some men actually lost up to 1 cm.
- Reviews report gains of 1 to 3 cm in flaccid length.
- Only 35% of the London patients were satisfied. Among men with penile dysmorphic disorder, the figure was 27%.
- Across studies, satisfaction ranges from about 30% to 65%.
The risks
A less stable penis during erection, difficulty with sex and penetration, and scar tissue that pulls the penis back in as it heals, which can leave it shorter than before. The London researchers' conclusion was blunt: these procedures may add length, "but usually not to a degree that satisfies the patient."
Girth procedures: fillers and implants
A 2025 review looked at the complications of girth procedures:
| Method | Known problems |
|---|---|
| Oil-based injections (paraffin, petroleum jelly and similar) | Unapproved. Hard, disfiguring lumps (sclerosing lipogranuloma); may need tissue removal and skin grafts |
| Foreign-body injections or implants | Pain, inflammation, nodules, ulcers, tissue death, deformity, gangrene, even death |
| Hyaluronic acid filler | Better tolerated than other injectables; little long-term data |
| Silicone implant under the skin | Infection, erosion, fluid build-up, tissue death; about 10% are removed |
| Tissue grafts | Can improve girth and satisfaction; can reduce length |
A 2020 systematic review of normal-sized men found that injections did add girth but came with a high complication rate. Its authors called injections and surgery "unethical outside of clinical trials."
When surgery does make sense
These operations were developed for real medical problems:
- Micropenis
- Adult acquired buried penis
- Curvature and shortening from Peyronie's disease
- Tissue loss after injury or cancer treatment
- Severe erectile dysfunction, where a penile implant may be used
For these men, surgery can make a real difference to quality of life. For a man of normal size, the balance of risk and benefit looks very different, and most men who ask for surgery are normal. See the data in average penis size.
Five questions to ask any clinic
If a clinic promises "guaranteed results," "no risk" or "growth in 20 minutes," ask:
- Who is doing the procedure? Is it a urologist?
- Are there published studies showing long-term results for this method?
- What's the complication rate, and who treats you if something goes wrong?
- Can it be undone?
- Do they recommend a psychological assessment first?
A serious clinic will say yes to that last one. Men with penile dysmorphic disorder often have unrealistic expectations and should be offered psychological help first. Read more in penis size anxiety.