Board-Certified Dermatologic Cosmetic Surgeon · New York Magazine Best Doctor, 21 consecutive years
The double chin is the great equalizer of aesthetics: it shows up on the fit and the not-so-fit, the young and the not-so-young, and it ignores diet with a stubbornness few other fat deposits can match. Because the fullness under the chin is largely genetic architecture rather than a lifestyle verdict, no amount of discipline reliably moves it. Kybella in NYC changed that equation — the first and only FDA-approved injectable that permanently destroys fat cells under the chin, no surgery required. Here’s how Kybella at Sobel Skin works, what a realistic treatment plan looks like, and how to know if fat is even your problem.
How Kybella Works
Kybella’s active ingredient is deoxycholic acid — a synthetic version of a molecule your body already makes to break down dietary fat. Injected in a precise grid pattern into the submental fat (the pad beneath the chin), it destroys fat cell membranes. Those cells can no longer store fat, and over the following weeks your body clears them naturally. Kybella is FDA-approved specifically for this area — and once treated fat cells are gone, they’re gone permanently.
The Treatment: What to Expect
A session takes about 15–20 minutes. After the treatment area is mapped and numbed, a series of small injections is placed across the fat pad — the number depends on how much fullness is being treated. Afterward: expect swelling under the chin (sometimes noticeable for several days — this is actually the treatment working as fat cells break down), possible mild bruising, numbness, or firmness that resolves over a couple of weeks. Plan Kybella around your calendar; treat before a quiet week, not before a wedding.
Most patients need 2 to 4 sessions, spaced 4–6 weeks apart. Each session reduces the fat pad further; the final session is followed by weeks of continued improvement as your body finishes clearing treated cells.
The Kybella NYC Question: Is It Fat, or Is It Laxity?
This is the diagnostic moment that separates a great result from a disappointing one. Under-chin fullness comes from two sources — and Kybella addresses only one:
Submental fat — a distinct, pinchable pad of fullness. Kybella territory: dissolving it sharpens the jaw-to-neck angle dramatically.
Skin and tissue laxity — loose, descended tissue without much fat. Dissolving fat here can make things worse. This is lifting territory, addressed by MyEllevate or energy-based tightening.
Many patients have both, and the right plan sequences fat reduction first, tightening second. Dr. Sobel’s consultation begins with this distinction — because the wrong tool in the right area is the most common source of underwhelming double-chin treatments.
Kybella vs. Liposuction for the Chin
Both work; they suit different patients. Kybella: no procedure, a series of quick visits, gradual results, ideal for small-to-moderate fat pads. Chin liposuction: a single procedure, immediate definitive removal, better for larger volumes or patients who want one-and-done certainty. A practice offering both — as Sobel Skin does — maps the recommendation to your anatomy and preferences rather than to the one option on the menu.
Results Timeline
Weeks 1–2: Swelling resolves; the area may feel firm.
Weeks 4–6: Visible reduction from the first session as cleared fat leaves.
After the series: A sharper, more defined jawline and neck profile — the kind of change most visible in side-view photos.
Permanence: Treated fat cells don’t return. Maintain your weight and the result lasts indefinitely.
Frequently Asked Questions
Is Kybella permanent?
Yes — destroyed fat cells are gone for good. Significant weight gain can enlarge remaining cells, but the treated cells themselves never come back.
How many Kybella treatments do I need?
Typically 2 to 4, spaced 4–6 weeks apart. Smaller fat pads may need fewer; your exact plan is set at consultation.
Does Kybella hurt?
Numbing keeps the injections tolerable — expect stinging and a burning sensation for a short period after, followed by swelling that resolves over days.
How much does Kybella cost in NYC?
Pricing is per session and depends on the amount of product your fat pad requires; you’ll receive an exact series plan and quote at consultation.
Who is not a good candidate for Kybella?
Patients whose fullness is primarily loose skin rather than fat — they need lifting or tightening instead. The consultation’s first job is making that distinction honestly.
Sharpen the Profile
If the fullness under your chin ignores everything you’ve thrown at it, that’s exactly the kind Kybella was made for. Explore Kybella at Sobel Skin, call 212.288.0060, or schedule a consultation online at 960 A Park Avenue.
Sobel Skin is a premier aesthetic dermatology practice serving the Upper East Side, Manhattan, and the greater New York area.