madman
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Enhanced: Current Trends in
Cosmetic Andrology
A Review of Penile Enhancement Procedures, Patient Selection,
and Society Recommendations
Based on a Grand Rounds Presentation
With contributions from Dr. Flanigan and Dr. Kavanaugh
Cosmetic Andrology
A Review of Penile Enhancement Procedures, Patient Selection,
and Society Recommendations
Based on a Grand Rounds Presentation
With contributions from Dr. Flanigan and Dr. Kavanaugh
Introduction: The Rise of Male Cosmetic Enhancement
Cosmetic andrology has emerged as a rapidly growing sector within men’s health, driven by social media trends, direct-to-consumer marketing, and a broader cultural shift toward male “optimization.” Unlike traditional urology, which focuses on treating distinct pathologies, this field caters to men pursuing aesthetic ideals—often without a diagnosable medical condition. The global market for male enhancement products and services now exceeds $6.2 billion, with approximately $300 million spent annually on advertising alone.Social media has amplified the pressure. Provocative infographics purporting to rank penile size by nationality circulate widely, often with contradictory and inaccurate data. Memes and advertisements exploit feelings of inadequacy, feeding into a cycle of insecurity, comparison, and consumer demand. Keywords such as “alpha,” “vitality,” and “empowerment” dominate search engine optimization strategies, while marketing campaigns increasingly frame male cosmetic procedures as routine self-improvement rather than elective surgery.
The result is a flood of patients seeking help from urologists, primary care providers, naturopaths, and direct-to-consumer platforms. Private clinics and medical spas are multiplying to meet this demand, and the accessibility of these services continues to grow.
A Market in Rapid Expansion
The proliferation of cosmetic andrology providers can be illustrated by platelet-rich plasma (PRP) clinics in Canada. A 2021 study by Britt et al. identified 19 PRP providers across Canada, with only one in British Columbia, charging an average of $1,800 per injection. By 2024, Shaw et al. found that the number had more than doubled to 40 providers—10 in British Columbia alone—with prices trending downward. Notably, the 2024 figure likely underestimates the true number: when researchers attempted to contact clinics advertising PRP on Google, roughly 30% did not answer the phone, suggesting that the actual provider count is even higher.This pattern of rapid growth, falling prices, and inconsistent quality underscores a central challenge: the market is outpacing the evidence base. New technologies and methods arrive faster than research can evaluate them, leaving clinicians with limited long-term safety and efficacy data to guide discussions with patients.
Patient Selection: The Critical First Step
Perhaps the most important aspect of cosmetic andrology is careful patient selection. The elective nature of these procedures, combined with the fact that they are typically private-pay and often sought by younger men in their late 20s and early 30s, demands a higher standard of screening and informed consent.Screening for Psychiatric Comorbidities
Clinicians must be vigilant for underlying psychiatric conditions that may be driving a patient’s dissatisfaction. Body dysmorphic disorder (BDD) is of particular concern. Within this framework, “penile dysmorphic disorder” describes BDD specifically manifesting as preoccupation with perceived genital inadequacy. Separately, “small penis anxiety” refers to a state of worry about penile size being below average or inadequate for sexual satisfaction, despite normal measurements.Diagnosing BDD requires the identification of a persistent preoccupation with a perceived physical flaw, repetitive checking or measuring behaviors, clinically significant distress or functional impairment, and the exclusion of other medical conditions. Common signs in the penile dysmorphic presentation include anxiety, shame, avoidance of intimacy or locker room settings, repetitive measuring, frequent visits to healthcare professionals, and diminished self-esteem.
Several validated screening tools are available. The Body Dysmorphic Disorder Questionnaire (BDDQ) provides broad BDD screening. The COPS-P questionnaire has been developed specifically to differentiate between penile dysmorphic disorder and small penis anxiety. The Male Genital Self-Image Scale (MGSIS) assesses genital self-perception.
The Urologist’s Role in Reassurance
Many patients can be reassured through education alone. By performing objective measurements, presenting normative data, and engaging in open discussion about what constitutes normal anatomy, urologists can alleviate anxiety in a significant proportion of patients—many of whom will not require any procedure. The Sexual Medicine Society of North America (SMSNA) also recommends a “cooling-off period” before proceeding with surgery, rather than operating on the first visit. If any doubt about BDD or other psychiatric comorbidity remains, referral to psychiatry or psychology is advised. Surgery should be avoided entirely in patients with confirmed BDD, as it is unlikely to resolve the underlying distress.Penile Fillers and Injections
Temporary Fillers: Hyaluronic Acid
Hyaluronic acid (HA) is an osmotically active glycosaminoglycan injected between Buck’s fascia and the dartos layer. By drawing water into the tissue, it creates a temporary increase in penile girth. HA is widely used across cosmetic medicine and generally has a well-tolerated safety profile. However, the effect is temporary: the body gradually breaks down the material, necessitating repeat injections.A 2021 study by Quan et al. in the Asian Journal of Andrology evaluated 230 patients who received HA injections with follow-up at one, three, and six months. The data showed a progressive decrease in girth enhancement over time, with limited data beyond six months. Most clinics advise repeat injections at six- to twelve-month intervals. Other studies have reported approximately a 15% decrease from maximal circumference over five years, though measurement variability complicates direct comparisons.
The complication rate was relatively low at 4.3%, comprising mainly subcutaneous bleeding, nodules greater than one centimeter, and infection. Nodules typically present about two weeks post-procedure. Post-injection massage is recommended during the first one to two weeks to help distribute the filler evenly, but is ineffective beyond that window. Preventive strategies include slower injection speed, lower dosing, and injecting at multiple points for more even distribution. If nodules develop, hyaluronidase—an enzyme that breaks down HA—can be administered, typically starting at around 30 units, though the effect is delayed and multiple treatments may be needed.
Bleeding complications usually occur two to five days post-procedure and are generally self-limiting. Prevention centers on holding anticoagulation and antiplatelet therapy. Many authors recommend cannula-based injection to reduce vascular injury risk, though this is not universally accepted.
Infection at the injection site can present acutely or with delayed onset. Prevention includes optimizing glycemic control in diabetic patients, proper sterilization, and an abstinence period of four to six weeks post-procedure to minimize exposure to vaginal flora.
Vascular occlusion is an extremely rare but emergent complication, estimated at one in 100,000 cases across the cosmetic space. It results from accidental injection into the arterial supply, causing immediate ischemia. Only one case report has been published in the penile literature. Clinical signs progress from blanching and delayed capillary refill to pain, duskiness, and eventually slough and eschar formation. Management requires high-dose hyaluronidase (450–1,500 units) administered within 48 hours, distributed across the affected area and repeated hourly for up to four hours. Adjunctive therapy includes aspirin, topical nitroglycerin, and warm compresses to promote vasodilation.
Overall, the SMSNA considers HA injection safe in trained hands, noting an acceptable risk-to-benefit profile.
Permanent Penile Fillers: A Cautionary Tale
Permanent penile fillers—including silicone, paraffin, polymethyl methacrylate (the polymer used in plexiglass), and petroleum jelly—are non-absorbable materials injected to permanently augment size. Unfortunately, these represent the most common type of filler that patients self-administer, often outside of any medical setting.The consequences can be devastating. Potential complications include granulomatous reactions, tissue necrosis, ischemia, disseminated silicosis (if silicone enters the bloodstream and reaches the pulmonary circulation), infection, and abscess formation. A case series of 11 patients over 14 years at a single center reported that 10 required corrective surgery, three needed split-thickness skin grafts, and two required multiple operations. Published cases demonstrate extensive scarring, disfigurement, and secondary complications such as buried penis from scar contracture requiring further reconstruction.
Because these injections are often self-administered and non-standardized, damage can extend to surrounding structures including the skin, corpora, and neurovascular bundle, leading to devascularization, long-standing neuropathy, Peyronie’s disease, and permanent scarring. Both the European Association of Urology (EAU) and the SMSNA explicitly contraindicate permanent penile fillers in their position statements.
Autologous Fat Transfer
Autologous fat transfer involves harvesting the patient’s own fat (typically from the abdomen or inner thigh), processing it, and reinjecting it into the fascial planes to increase penile girth. Studies report circumference increases of approximately 2 to 2.5 centimeters lasting up to 12 months.However, the results are often unsatisfactory. Fat cell survival cannot be reliably controlled, leading to a heterogeneous, lumpy appearance caused by migration, fat cell death, necrosis, and reabsorption. The redistribution that occurs during erections further disrupts the intended placement. Attempts to correct the lumpiness with additional injections are generally ill-advised for the same reasons. When the cosmetic result is unacceptable, surgical excision is the preferred approach.
The EAU provides only a weak recommendation for this technique, and it is not well-endorsed by other societies.
Platelet-Rich Plasma (PRP)
PRP, often marketed as the “Priapus Shot” or “P-Shot,” is among the most commonly advertised treatments on social media. The procedure involves drawing the patient’s blood, isolating platelets by centrifugation, processing the enriched fraction with thrombin and calcium to release growth factors, and injecting the resulting preparation directly into the corpora and glans. The proposed indications include erectile dysfunction and penile size enhancement.Current evidence does not support these claims. A 2023 randomized, double-blinded, placebo-controlled trial by Master et al. published in the Journal of Urology—one of the larger studies in this area—evaluated 61 men with mild-to-moderate erectile dysfunction. Half received PRP and half received placebo, with two injections each. At one-month follow-up using the International Index of Erectile Function (IIEF), no significant difference was found between groups. Minor adverse events were rare, with only one per group. There remains insufficient data to recommend PRP for erectile dysfunction or Peyronie’s disease.
Surgical Procedures for Penile Enhancement
Suspensory Ligament Release
Suspensory ligament release involves surgical division of the suspensory ligament to increase flaccid penile length. It is important to note that this procedure—like most enhancement procedures discussed in this review—does not increase erect length. The surgery is typically combined with some form of flap advancement to address the resulting skin deficit and placement of a silicone spacer to prevent retraction and scarring.The procedure yields an estimated 1 to 2.5 centimeter increase in flaccid length. Complications include penile instability, a downward penile angle, paradoxical shortening due to scarring, and glans numbness from proximity to the dorsal nerve.
Rossi et al. conducted a long-term retrospective review of 245 patients who underwent suspensory ligament release with silicone spacer placement. Over the course of the study, various spacer materials were trialed, eventually settling on a soft silicone block that could be custom-cut to fill the dissected space. The study reported high satisfaction rates, with 81% of patients satisfied despite a flaccid length increase of less than one inch. No neurovascular or urethral injuries were noted, and the length increase persisted to 48 months. Importantly, some protocols at other centers require post-operative penile traction to maintain gains, particularly when no spacer is used. The SMSNA considers this procedure acceptable when performed by experienced surgeons with appropriate patient counseling.
Silicone Sleeve Implants
Silicone sleeve implants, most notably the Penuma device (since rebranded as “Him Implant”), involve placing an implanted silicone sleeve around the penile body to increase both girth and, to a lesser degree, flaccid length. The suspensory ligament is typically preserved and used as a backing for the implant.The largest published dataset comes from Dr. Elist, who reported on 400 patients operated on between 2009 and 2014 in a 2018 retrospective study in the Journal of Sexual Medicine. The mean increase in flaccid penile circumference was approximately 5 centimeters, with a 2.2-centimeter increase in flaccid length persisting to three months. The explantation rate was reported at only 3%, with seroma being the most common complication. It should be noted that Dr. Elist is the founder and CEO of the company that manufactures the Penuma device.
Subsequent studies have shown less consistent complication rates. A 2025 study in the Journal of Sexual Medicine examined 16 patients who underwent explantation at a single center, most commonly for distal protrusion of the implant—described as a “cobra head” deformity—or erosion through the distal tissue. A separate 2022 SMSNA abstract analyzing 70 patients over two years reported an 11% device removal rate, with postoperative seromas again cited as the most frequent complaint. The SMSNA currently recommends investigational caution regarding these devices, primarily due to insufficient long-term complication data.
Grafts, Flaps, and Buried Penis Repair
Various graft and flap techniques have been attempted for penile girth enhancement, largely extrapolated from buried penis repair, trauma reconstruction, and cancer surgery. However, no technique has demonstrated consistent efficacy in the purely cosmetic space, and the data remains too heterogeneous for any society recommendation.Buried penis repair itself, however, is a well-established and medically indicated procedure. It is typically performed for men with a prominent suprapubic fat pad, often comorbid with lichen sclerosus, leading to apparent penile shrinkage. The procedure involves suprapubic fat pad resection, suspensory ligament release, resection of inflamed tissue, and skin grafting. Case examples demonstrate dramatic functional and cosmetic improvements, particularly in patients who have lost substantial weight but retain a large suprapubic fat pad.
Other Procedures
Scrotox (Scrotal Botulinum Toxin)
Botulinum toxin injection into the scrotum—colloquially known as “Scrotox”—works by the same mechanism as cosmetic Botox: cleaving SNARE proteins at the neuromuscular junction to prevent acetylcholine release and inhibit muscle contraction. Injection into the cremaster muscles produces scrotal relaxation and an appearance of fullness as the testes descend, while injection into the dartos muscle smooths the scrotal surface. Additional purported benefits include treatment of scrotal hyperhidrosis.Dosages for scrotal injections (100–200 units) are on the higher end compared to typical cosmetic applications. This raises concerns about diffusion into adjacent structures; complications have included temporary involvement of perianal muscles and the anal sphincter, resulting in temporary fecal incontinence lasting several months. Theoretical concerns about impaired testicular thermoregulation and its effects on fertility also warrant consideration.
There are no published society guidelines for cosmetic scrotox, though botulinum toxin is indicated for refractory chronic scrotal pain and hyperactive cremasteric reflex.
Testicular Prosthesis
Testicular prosthesis placement is a well-established procedure used to address congenital absence, post-orchiectomy reconstruction, and gender-affirming surgery. It falls largely outside the scope of cosmetic andrology but is worth noting as an accepted augmentation procedure with a strong evidence base.Conclusion: Navigating an Evolving Landscape
The field of cosmetic andrology is expanding rapidly, driven by social media, direct-to-consumer marketing, and the destigmatization of male aesthetic procedures. For clinicians, this growth presents both opportunity and responsibility.Surgery and injections should only be explored after thorough screening for psychiatric comorbidities, particularly body dysmorphic disorder. Patients with BDD are unlikely to be satisfied by any procedure; for them, the treatment is counseling, not surgery.
Informed consent must be especially rigorous in this space. Many treatments lack the long-term efficacy and safety data needed for truly comprehensive risk discussions.
No single treatment has been endorsed as a clear frontrunner by the SMSNA or EAU for penile enhancement.
The landscape is rapidly changing, with new technologies and methods emerging faster than the evidence can accumulate.
Younger patients face unique risks: longer exposure to potential complications, greater implications for fertility, and more years to live with adverse outcomes.
Ultimately, the role of the urologist in this space is not merely technical but also educational and protective. By providing accurate information, screening for underlying psychological concerns, setting realistic expectations, and exercising clinical judgment about which patients are appropriate candidates, clinicians can help ensure that the growing demand for cosmetic andrology is met with responsible, evidence-based care.
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