The fat cells that are eliminated by CoolSculpting will not come back, they are permanently destroyed, and so in that respect the results of CoolSculpting are indeed permanent.The results were still present six months after the treatment. Frozen, dead fat cells are excreted out of the body through the liver within several weeks of treatment, revealing full results of fat loss within three months. Some people who do CoolSculpting opt to treat several parts of the body. CoolSculpting reduces fat by about 20% per treatment. CoolSculpting Freezes & Eliminates Stubborn Fat. The CoolSculpting procedure safely delivers precisely controlled cooling to gently and effectively target the fat cells underneath the skin. … Over time, your body naturally processes the fat and eliminates these dead cells, leaving a more sculpted you.