The SizeGenetics™ comes with a complete money-back guarantee for 180 days. The users across the world can get their money back if they are not satisfied with the improvements in penis curvature and straightening. This guarantee can be seen as a confidence boost when successful urologists from different parts of the world found the device to be highly effective in correcting penile curvature during their clinical trials, regardless whether the penis bending was caused by injury or Peyronie's disease.