X4 labs penis extender science


The science of the X4 Penis Extender : The medical definition of traction is “The use of a system of weights and pulleys to gradually change the position or size of a bone, ligament, or tissue ”. We are all well-acquainted with the depiction of the unlucky skier lying in a hospital bed with their leg raised in a traction device.


Over the past thirty years, these simple principles have been used for a variety of medical needs. Within the last ten years, academics in the field of medicine recognized the possibility of great improvements in penis health through the use of a traction device.



Clinical Studies

Our researchers at X4 Labs have improved and extended this treatment to apply to penile enhancement through the use of gentle stretching.
During the 1990’s our research and development team worked exclusively on the effect of traction on the penis body. Notable in their studies was a major medical breakthrough, that traction devices could have a dramatic affect on the growth of the penis. Researchers noticed approximately 20-30% increases in the length of the penis over a 2 month period.

The minute amounts of stress applied by the device result in the regeneration of skin cells, which in turn increases in both length and girth. Over the past decade, X4 Labs has continuously worked to improve the design features of our original traction device. The new Hybrid Support System is a medical triumph allowing for improved traction and increased growth.