
Kybella is an FDA-approved injectable treatment designed to permanently reduce moderate to severe fat beneath the chin, often referred to as a “double chin.” Its active ingredient is synthetic deoxycholic acid, a naturally occurring molecule in the body that helps break down and absorb dietary fat. By targeting and destroying fat cells in the treatment area, Kybella creates a more contoured and defined jawline without the need for surgery.
This non-surgical approach makes Kybella a popular option for patients who want noticeable improvement in their profile with minimal downtime. Once the fat cells are destroyed, they can no longer store or accumulate fat, which means results are long-lasting when paired with a stable weight.
When injected into the fat beneath the chin, Kybella works by breaking down the cell membrane of fat cells, causing them to be absorbed and eliminated naturally by the body’s lymphatic system. Over a series of treatments, this gradual process reduces the thickness of the fatty layer under the chin, resulting in a slimmer, more contoured appearance.
Because the fat cells are permanently destroyed, they cannot regenerate. This means that, unlike weight fluctuations that can cause existing fat cells to expand, the results from Kybella are considered permanent — once the cells are gone, they’re gone for good.
Like any medical treatment, Kybella does come with potential risks and side effects. The most common include swelling, bruising, redness, tenderness, and numbness in the treated area. These effects are typically temporary and resolve on their own within days to weeks. Swelling, in particular, is very common and often most noticeable after the first treatment.
More rare but possible side effects include difficulty swallowing, uneven smile, or nerve injury in the jaw, which can cause temporary weakness. These are uncommon when Kybella is performed by a trained and experienced provider. During your consultation, your injector will review your medical history and discuss all potential risks to ensure that the treatment is safe for you.
BEFORE YOUR APPOINTMENT
THE DAY OF YOUR APPOINTMENT
AFTER YOUR APPOINTMENT
Results from Kybella are not immediate, as the body needs time to break down and flush out the destroyed fat cells. Most patients start to notice visible improvement after 2–4 treatments, with full results typically seen 12–16 weeks after the final session.
The number of treatments you’ll need depends on your unique anatomy and goals, but most patients require between 2–6 sessions for optimal contouring. The good news is that once your results are achieved, they are permanent — as long as you maintain a stable weight.
Kybella is ideal for men and women who are bothered by fullness under the chin and want a non-surgical solution. It works best for patients with moderate fat and good skin elasticity, as the treatment does not address loose or sagging skin. If skin laxity is a concern, your provider may recommend combining Kybella with other treatments for the best results.
Kybella may not be right for you if you have difficulty swallowing, an active infection in the treatment area, are pregnant or breastfeeding, or have significant skin laxity without much fat. A consultation with an experienced injector is the best way to determine if Kybella is the right fit for your goals.
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