Surgical penis enlargement methods can be effective; however, such methods carry risks of complications and are not medically indicated except in cases involving a micropenis. Noninvasive methods have received little scientific study, and most lack scientific evidence of effectiveness. However, limited scientific evidence supports some elongation by prolonged traction.
Rezum® works by inserting sterile water vapor into the prostate gland during nine-second treatments. The therapy is targeted to a defined area because steam will travel only between cells until it encounters natural collagen barriers or the prostate capsule itself. The procedure is performed in the office under local anesthesia with option of adding nitrous analgesia.