Book Now
Logo media

Does Zeltiq (CoolSculpting) Really Work for Fat Reduction?

Yes, CoolSculpting works for the right candidate, though it's a contouring tool, not a weight-loss solution. The device cools targeted fat cells to a temperature that triggers apoptosis, and the body clears the dead cells over the following weeks. Most people notice improved contour within one to four months, sometimes with additional touch-ups depending on the area and your goals. Common side effects are temporary numbness, bruising, swelling, and soreness. Less common, but worth knowing before you consent to treatment, is a rare complication called paradoxical adipose hyperplasia, where the treated fat actually enlarges rather than shrinks weeks to months later. It's uncommon, but it's a real phenomenon and typically requires surgical correction such as liposuction. CoolSculpting can be used on the abdomen, flanks, back, thighs, and other areas with pinchable fat, and if you have a hernia in or near the area you're considering, be sure to mention it, since that can affect candidacy. Results vary person to person. A consultation with your provider, ideally a board-certified plastic surgeon, will help determine whether you're a good candidate.

Clinical Context

Fat cells are more sensitive to cold than the skin and muscle around them, which is why the device can target fat without damaging nearby tissue. A suction applicator holds the treated area between cooling panels for a set time. The cold injures the fat cells, and your body's own immune system clears them out over the following weeks, which is why final contour changes take time to appear rather than showing up right away.

Answered By

Dr. Steven Williams

President Emeritus of ASPS

Dr. Steven Williams is a board-certified plastic and reconstructive surgeon, a diplomate of the American Board of Plastic Surgery, the Past President of the prestigious American Society of Plastic Surgeons, and a charitable person who dedicates his life to those in need of his unique expertise.

We are leaders in cosmetic surgery, facial aesthetics, and medically supervised weight loss, serving the entire San Francisco Bay area. Whether you live in the Bay Area or are coming in from out of town, we’re happy to answer any questions you may have on your path to your new self. Book your cosmetic surgery intro call or Med Spa consultation today and take the first step towards realizing the look you’ve always wanted for yourself.

Contact us media
Accessibility: If you are vision-impaired or have some other impairment covered by the Americans with Disabilities Act or a similar law, and you wish to discuss potential accommodations related to using this website, please contact our Accessibility Manager at (925) 875-0700.
Book Now Contact Us