A double chin—also known as submental fullness—is extra fullness beneath the chin that can make the jawline and neck appear less defined.
Although weight can contribute, a double chin does not necessarily mean someone is overweight.
The appearance of the area may be influenced by several factors, including:
This is why someone can be relatively slim and still have noticeable fullness beneath the chin.
More importantly, not every double chin is caused by the same anatomical problem.
No.
What appears to be a double chin may involve:
Submental fat — localized fat beneath the chin.
Loose skin — skin laxity that creates fullness or sagging.
Jaw or chin structure — limited chin projection can make the area beneath the chin appear more prominent.
Neck anatomy — muscles and other structures can influence the contour of the neck.
A combination of factors — which is extremely common.
This distinction matters because reducing fat will not necessarily correct loose skin, and tightening skin will not eliminate a significant pocket of fat.
The first step should therefore be determining what is actually causing the appearance.
Sometimes.
If overall body fat is contributing to fullness under the chin, weight loss may reduce some of it.
However, genetics strongly influence where your body stores fat. Some people continue to have localized submental fullness even when their overall weight is relatively stable.
Targeted neck or facial exercises should also not be expected to selectively eliminate fat cells beneath the chin.
When the concern is an appropriate localized fat pocket rather than overall excess body fat, a targeted aesthetic treatment may be worth considering.
There isn't one treatment that is best for everyone.
The appropriate option depends primarily on what is creating the double chin.
For example:
Localized submental fat → CoolSculpting Elite or Kybella may be considered.
Fat + some skin laxity → treatment planning may need to consider both issues.
Primarily loose skin → a skin-focused treatment may make more sense.
Significant fat or loose skin → surgical treatment may provide a degree of correction that non-surgical treatments cannot.
Weak chin projection or structural anatomy → simply removing fat may not produce the desired jawline.
This is why choosing a treatment by brand name before evaluating the anatomy can lead to unrealistic expectations.
CoolSculpting Elite is a non-invasive option for reducing an appropriate localized fat bulge beneath the chin.
The treatment uses controlled cooling—known as cryolipolysis or fat freezing—to target a portion of the fat cells beneath the skin.
The body gradually processes the affected fat cells after treatment.
CoolSculpting and CoolSculpting Elite are FDA-cleared for visible fat bulges in both the submental area beneath the chin and submandibular area beneath the jawline. They are also FDA-cleared to affect the appearance of lax tissue when treating the submental area. Learn more in our complete CoolSculpting Elite for Double Chin guide.
An applicator delivers controlled cooling to the selected treatment area.
Fat cells are more vulnerable to controlled cooling than surrounding tissues. The treatment damages a portion of the targeted fat cells, and the body gradually processes them over the following weeks.
The objective is not weight loss.
It is to reduce the appearance of an appropriate localized fat bulge and improve the contour of the treated area.
Official CoolSculpting safety information specifically states that the procedure is not a treatment for weight loss.
Potential candidates generally have an appropriate localized pocket of fat beneath the chin or jawline and prefer a non-surgical approach.
However, candidacy depends on more than simply being able to pinch some fat.
A consultation should consider:
Someone with primarily loose skin or structural jawline concerns may require a different approach.
Kybella is a prescription injectable treatment containing deoxycholic acid.
Unlike CoolSculpting, which uses controlled cooling, Kybella is injected directly into appropriate submental fat.
The FDA identifies Kybella as the only FDA-approved fat-dissolving injectable drug for reducing fat beneath the chin in adults.
Its approved indication is specifically for improving the appearance of moderate to severe fullness associated with submental fat in adults.
That distinction is important because Kybella should not be presented as a general-purpose injection for removing fat anywhere on the body.
Deoxycholic acid disrupts the membranes of fat cells in the injected area.
After the cells are damaged, the body processes the cellular debris.
Unlike a single injection into one location, Kybella treatment involves a planned pattern of injections throughout the appropriate submental treatment area.
The FDA-approved labeling allows up to six treatment sessions, with sessions spaced at least one month apart, although the actual treatment plan varies by patient.
That does not mean every patient needs six treatments.
Both treatments can address appropriate submental fat, but they work very differently.
CoolSculpting Elite
Kybella
Neither treatment should automatically be considered better.
The choice depends on anatomy, medical history, treatment preferences, amount and distribution of fat, tolerance for expected post-treatment effects, and the desired outcome. For a detailed comparison, read Kybella vs. CoolSculpting for Double Chin.
Swelling is a common consideration with Kybella.
The prescribing information lists treatment-area reactions including swelling, bruising, pain, numbness, redness and areas of hardness.
Kybella also has more significant potential risks, including nerve injury in the jaw that can cause an uneven smile or facial muscle weakness, difficulty swallowing, injection-site problems, and tissue injury if administered improperly.
This is why Kybella needs to be administered appropriately by a qualified healthcare professional.
Yes.
Non-invasive does not mean risk-free.
Expected temporary effects can include:
CoolSculpting also has less common complications.
One important complication is paradoxical adipose hyperplasia (PAH), in which fatty tissue enlarges rather than decreases after cryolipolysis.
Patients should receive appropriate safety information and medical screening before treatment.
This is where treatment selection becomes especially important.
Imagine someone has relatively little submental fat but significant loose skin beneath the chin.
Removing additional fat may not solve the primary problem.
Certain non-surgical energy-based treatments may be considered for skin-firming goals in appropriately selected patients.
However, the degree of improvement expected from a non-surgical skin treatment should not be confused with what can be accomplished by surgically removing and repositioning excess tissue.
This needs precise wording.
CoolSculpting Elite is primarily a fat-reduction treatment, but its FDA clearance also includes affecting the appearance of lax tissue in conjunction with submental treatment.
That does not mean CoolSculpting should be marketed as the equivalent of a neck lift.
Someone whose main concern is significant loose neck skin may need a treatment specifically focused on laxity—or a surgical consultation.
This is common.
A patient may have:
all at the same time.
In those situations, treatment planning should consider what will happen to the overall contour if the fat is reduced.
The goal isn't simply to remove as much fat as possible.
The goal is to create a more balanced transition between the chin, jawline and neck.
Skin-focused treatments may improve the appearance of certain types of laxity, but they do not necessarily eliminate a significant fat pocket.
That means someone with both fat and loose skin may need a different treatment strategy from someone who has only one of those concerns.
It is also important to set realistic expectations.
Non-surgical tightening may provide improvement in appropriate patients, but substantial excess skin may require surgical correction for a more significant change.
This is an often-overlooked reason two patients with similar amounts of submental fat can look very different.
A relatively recessed or under-projected chin can make the neck-to-chin transition appear less defined.
In those cases, simply removing fat may improve the area without completely creating the jawline the patient imagined.
The American Society of Plastic Surgeons notes that structural chin deficiency can sometimes contribute to the appearance of a double chin and that chin augmentation may be considered in selected patients.
This reinforces why facial anatomy should be evaluated as a whole.
Liposuction is another option, but it is surgical rather than non-invasive.
Submental liposuction physically removes fat through a small cannula inserted through an incision.
Because the fat is physically removed, liposuction can offer a different degree and immediacy of correction than gradual non-surgical fat-reduction technologies.
But it also involves surgical considerations, recovery, swelling, bruising and procedural risks.
The basic difference is:
CoolSculpting Elite
Submental liposuction
The decision should be based on the desired degree of change—not simply which procedure sounds easier.
Sometimes the primary problem is not fat.
A neck lift may address combinations of:
The American Society of Plastic Surgeons describes neck lift surgery as an option for visible aging involving the jawline and neck, including excess fatty deposits, loose neck skin and muscle banding.
Someone with significant skin laxity should therefore not expect fat reduction alone to reproduce a neck-lift result.
Changes are gradual.
The body needs time to process the fat cells affected by cryolipolysis.
Official CoolSculpting before-and-after examples for the double chin show results assessed weeks to months after treatment, and individual outcomes vary.
It is better to evaluate results over time rather than expecting an immediate jawline transformation immediately after the appointment.
There is no universal number.
Treatment planning depends on:
Official CoolSculpting examples include patients receiving multiple treatments, but those examples should not be interpreted as a prescription for every patient.
A personalized plan is more appropriate than promising a fixed number of sessions.
After successful fat-reduction treatment, the treated area can still change as the rest of your body changes.
Weight gain can enlarge remaining fat cells.
Aging can affect skin elasticity.
Changes in muscle and facial structure can also alter the appearance of the jawline over time.
Maintaining a relatively stable weight can help preserve the appearance of a fat-reduction result, but no aesthetic procedure stops the normal aging process.
Start by determining the cause.
Mostly localized fat + preference for no injections?
CoolSculpting Elite may be worth considering.
Appropriate moderate-to-severe submental fat + comfortable with injections?
Kybella may be an option.
Mostly loose skin?
Consider a skin-focused approach.
Significant loose skin or more substantial correction desired?
A surgical consultation may be more appropriate.
Limited chin projection or structural jawline concerns?
Fat reduction alone may not fully address the appearance.
The best treatment is the one that addresses the anatomy responsible for the concern. You can also learn how fat freezing works in our complete cryolipolysis guide.
Patients looking for double chin treatment in Brooklyn now have several approaches available, ranging from non-invasive fat freezing and injectable treatment to skin-focused procedures and surgical options.
At Park Slope Laser Aesthetic Center, the first question should not simply be, “Which machine should we use?”
It should be:
Is the concern primarily fat, loose skin, facial structure—or a combination?
For appropriate localized fat beneath the chin or jawline, CoolSculpting Elite may offer a non-surgical option without injections or surgical fat removal.
The objective is a treatment plan based on the patient's anatomy and realistic goals rather than applying the same treatment to every double chin.
