Using penile extenders involves hanging a weight off the penis for hours at a time, which doesn't increase size. To the contrary, this can cause tissue damage and there have been reports of it causing Peyronie's disease (curving of the penis). Rather than resulting in enlargement, using penile extenders could cause injury and have a negative effect on your ability to get an erection.
Yet months after the FDA warnings, some of these supplements are being sold on mainstream retail websites. Some products were removed following calls from NBC News. An executive of one online seller specifically named in an FDA warning said her company wasn't officially notified by the agency until Thursday — one day after NBC News contacted the FDA, and six weeks after the FDA issued its announcement about that company, citing the “tainted” drugs it was selling.
Penile girth surgery can involve a range of controversial techniques, such as injecting fat taken from other parts of the body. Whilst some studies claim an increase in girth of between 1.4 and 4cm, patients frequently report scarring, disfigurement, lumpiness, even infection. The body usually reabsorbs the injected fat, so the penis soon returns to its original size.