Because CoolSculpting – which uses cryolipolysis to freeze and destroy fat cells – has been such a popular and effective fat-elimination procedure, Zeltiq has come up with a number of applicators of different sizes and shapes. The applicator that we use to treat the outer thighs or flanks is the CoolSmooth. It is a flat panel that does not apply suction to the treatment area so that many patients do not bruise at all. I have rarely seen very slight bruising with the CoolSmooth applicator, which resolved within one week. The most common side effects with CoolSmooth are a slight reddening and perhaps some slight swelling or a tingling feeling. These all resolve within days. The results will take two to three months for the final outcome, so be sure to do your treatment soon, before summer. Please find a board-certified dermatologist who has been certified by Zeltiq as a CoolSculpting practitioner to determine if you are a candidate for this permanent fat-removal technique.