frozen negative pressure is a new, non-invasive way to gently and effectively reduce fat in targeted areas of the body that results in a noticeable, looking fat reduction in the treated areas. as triglyceride in fats will be converted into solid in particular low temperatures, it uses cooling technology to selectively target fat bulges and eliminate fat cells through a gradual process that does not harm the surrounding tissues, reduce unwanted fat,the contact cooling of the hand piece surface regulates the temperature of the skin and protects fine dermal structures, realizing the fast body-reshape effects while tightening skin..syi