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Double Chin and Jawline: What Gets Quoted, What It Costs, and What to Skip

11 min read22 sources citedPubMed · RealSelf · FDA

The double chin is the concern with the widest gap between the cheapest quote and the right one. The cheap quote is a series of fat-dissolving injections, sold as "no surgery, no downtime." The right one depends on what is actually under your chin, and in a lot of faces it is not the pinchable fat the injections are designed for.

A soft neck has at least five causes: fat in front of the muscle, fat behind it, a muscle that has loosened into cords, skin that has lost its snap, and a chin or hyoid bone sitting in the wrong place. Each one has a different fix and a different price, and two of them cannot be touched by anything short of surgery.

Built by a physician with over 20 years of experience in facial cosmetic surgery.

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The short answer

A review of submental fat describes the layers from the surface down: skin, subcutaneous fat, the thin sheet of platysma muscle, and then "the subplatysmal fat and submandibular gland," with the mandible and hyoid bone as the skeletal support underneath (PMC). It then makes the point that decides most quotes: both fat layers "contribute to the formation of a double chin," but "modifying the sub-platysmal fat is challenging through non-invasive methods and may potentially lead to deep tissue injury; thus, most procedures focus on the pre-platysmal fat" (PMC).

The published screening exam for fat-dissolving injections lists the other things that produce the same silhouette: "thyromegaly, cervical lymphadenopathy, prominent submandibular glands, low/anterior hyoid bone, and strong digastric muscle," plus "severe submental skin laxity, which may require skin tightening or alternative therapy" (PMC). A separate study of combined treatment adds the bone: "excess submental fat combined with skeletal retrusion results in a poorly defined jawline that cannot be adequately corrected by fat reduction alone" (PMC). The ideal neck, for reference, has a cervicomental angle "of approximately 105–120 degrees" (PMC). If yours is closer to a straight line from chin to collarbone, the question is which of those five causes flattened it.

The pinch-and-strain mirror test

Four steps, three minutes, a mirror and a phone. The first step is the same exam injectors are told to do before treating you.

  1. Pinch, then strain. Pinch the fullness under your chin between thumb and finger. Keep hold of it, then show your lower teeth or say a hard "E" to tense your neck. This is the published candidacy test: "the tissue that easily pulls away when flexing the platysma is both the platysma and subplatysmal fat. The remaining tissue in the hand is skin and subcutaneous fat" (PMC). A thick pinch that stays in your fingers is the fat every nonsurgical treatment targets. Fullness that slides away from your grip when you strain is behind the muscle, and a surgical review notes that fullness from "gland prominence, hypertrophic digastric muscles, or skin laxity—will not respond effectively" to fat-dissolving injections (PMC).
  2. Take a profile photo, then push your jaw forward. Look at the side view. If the chin sits noticeably behind a vertical line dropped from your lower lip, the chin is part of the problem. Now slide your lower jaw forward and watch the neck: if the double chin largely disappears, you have just demonstrated that projection, not fat, is what is missing. Fat reduction in that face "cannot adequately correct" the jawline on its own (PMC); chin filler or an implant goes to the top of the list.
  3. Grimace hard. Pull the corners of your mouth down and tense the neck. Vertical cords from jaw to collarbone are platysma bands, a muscle problem, and the treatment is a neuromodulator or a surgical muscle repair, not anything that removes fat. If no cords appear and the fullness just sits there, the muscle is not your issue.
  4. Pinch thin, then let go. Take a shallow pinch of skin only, under the jaw. If it tents, wrinkles or is slow to settle, elasticity is limited. That matters more than anything else on this page for the fat treatments: chin liposuction needs "good skin elasticity and minimal jowls to avoid sagging, excess skin once the underlying fat is gone" (RealSelf), and for Kybella, "if you already have laxity and a loss of elasticity, Kybella could make that situation worse" (RealSelf).

Many necks are a combination: some pinchable fat, some loosening skin, and often a chin that was never strongly projected. The order of fixes matters. Removing fat from a neck with loose skin and a weak chin leaves you with loose skin and a weak chin, and a bill.

What you will be quoted

Treatment What it is What people report paying What to know
Kybella (deoxycholic acid) Injections that destroy fat cells in the pinchable layer; FDA-approved in April 2015 "for improvement in the appearance of moderate to severe convexity or fullness associated with submental fat" (Drugs@FDA) $1,228 average per treatment across 466 reviews, with a series "as high as $2,800" (RealSelf); three to four treatments is typical, and "in clinical studies, 59% of patients needed six" (RealSelf) 42% Worth It rating. Only treats fat in front of the muscle. Swelling for a week, sometimes a month ("bullfrog neck"); injury to the nerve controlling the smile "was experienced by 4.3% of clinical trial subjects" (RealSelf). Up to six treatments at least a month apart (FDA label)
CoolSculpting (CoolMini applicator) Fat freezing with a small applicator "FDA cleared to treat submental fat (a double chin) and submandibular fat under the jawline" (RealSelf) CoolMini averages $1,350 (80% Worth It, 81 reviews); CoolSculpting overall averages $3,308 with a 56% Worth It rating (RealSelf); "most people need at least two and often three or more treatments" About "20–25% reduction in fat-layer thickness after a single treatment." Carries a risk of paradoxical adipose hyperplasia, fat that grows instead of shrinking: the manufacturer estimates 1 in 3,000 cycles, while a 2018 study "suggests that it might have an incidence as high as 0.72%, or 1 out of every 138" (RealSelf). Some report "fullness in the back of the throat for one to two weeks"
Chin (submental) liposuction A cannula through a small incision under the chin removes the pinchable fat in one session, usually under local anesthesia $4,083 average, "from just $2,000 to as much as $7,500," 186 reviews, 94% Worth It (RealSelf) RealSelf's Kybella guide calls it "the preferred treatment option in most cases because it can remove submental fat more effectively, in a shorter amount of time" (RealSelf). Needs good skin elasticity. Does not reach fat behind the muscle, glands or a low hyoid
Chin filler or chin implant Hyaluronic acid filler to bring a set-back chin forward, or a permanent implant placed on the bone Chin filler $2,071 average, $650 to $4,200, 163 reviews (RealSelf); chin implant $7,984 average, up to $22,000, 1,015 reviews (RealSelf) The fix when step 2 of the test made your neck disappear. Filler "only last[s] up to two years—and sometimes much less" (RealSelf); "after five chin filler treatments, you probably will have paid as much as you would for a chin implant" (RealSelf)
Jawline filler Firm hyaluronic acid along the jaw border and angle; Juvéderm Volux is "the only FDA-approved HA filler for defining and sculpting the jawline" and lasts up to 12 months (RealSelf) Injectors on RealSelf quote $600 to $1,500 per syringe (RealSelf), and a jawline usually takes several; "significant projection requires a large amount of filler" (RealSelf) Sharpens the shadow line of the jaw; does nothing to the fat below it. Worth it for a soft jaw angle in a neck that passed steps 1 and 4; a camouflage that needs repeating in a neck that failed them
Botox for neck bands (Nefertiti lift) Neuromodulator into the platysma; FDA-approved October 2024 for "moderate to severe platysma bands" at 26, 31 or 36 units (FDA label) At $10 to $15 per unit (RealSelf) the label dose is roughly $260 to $540; injectors treating bands plus jawline report 50 to 100 units, "somewhere between $600 and $1800" (RealSelf) Only for cords that appear in step 3. Lasts "between three and six months" and is "most beneficial in young patients with good skin elasticity" (RealSelf). No effect on fat or loose skin
Neck lift Surgery that can tighten the platysma, remove excess skin, and do "deep-neck work, such as removing excess fat from below the platysma and reducing bulging or low-hanging salivary glands and digastric muscles" (RealSelf) $13,014 average, "from just $4,500 for a mini neck lift to $30,000," 137 reviews, 91% Worth It; the ASPS average surgeon's fee is $7,885 before anesthesia and facility (RealSelf) The only option that reaches the deep layer, the glands, the muscle and the skin in one procedure. "Most facelifts include a neck lift" (RealSelf); a mini facelift "doesn't address the neck" (RealSelf)

Costs are RealSelf patient-reported averages and ASPS surgeon fees unless noted; yours will vary by city and provider. The useful comparison is not Kybella against a neck lift. It is the total you would spend on repeated nonsurgical rounds against the one-time price of the procedure that matches your anatomy.

The cost that never makes the quote

Nonsurgical fat destruction is sold as the reversible, low-commitment choice. The surgeons who operate on those necks later describe something different. A surgical series of patients who had previously tried noninvasive neck treatments found that "all nonsurgical treatment modalities shared certain characteristics, with the most common being the destruction of the supraplatysmal fat and creation of severe supraplatysmal fibrosis, with obliteration and compromised normal tissue planes" (PMC). At surgery, "the supraplatysmal fat was severely compromised or was absent," and what remained "was fibrotic and tightly adherent to the skin," which made it "nearly impossible to elevate a proper and consistent skin flap" (PMC).

Those patients also came in with "laxity of skin and platysma, obtuse cervicomental angle with subplatysmal fullness, and contour deformities" (PMC), which is a long way of saying the deep causes were still there after the superficial fat was gone. If step 1 of the test told you the fullness is behind the muscle, or step 4 told you the skin will not snap back, a series of injections is not a lower-risk version of surgery. It is money spent on the wrong layer, and it can make the right procedure harder.

What a MirrorMD report looks at here

For this concern the report works from your profile photo as much as your front view, and it is explicit about one thing other services are not.

  1. Chin projection. The report assesses where the chin sits relative to the lower lip and nose using standard profile reference lines. If the chin is under-projected, chin filler and a chin implant appear in the roadmap before any fat treatment, because adding projection changes the neck more than removing fat does in that face.
  2. Submental fullness and what kind. Where the report sees fullness under the chin with reasonable skin quality, it recommends submental liposuction. The report does not recommend deoxycholic acid injections. That is a clinical preference built into how the report is written, based on the satisfaction and session-count data above, not a statement that the drug is unsafe or improperly used elsewhere.
  3. Jawline definition, jowls and neck skin. The report separates a soft jaw angle (filler territory), early jowling, and true skin and muscle laxity. Where lower-face descent is moderate to severe, or the neck has clearly lost its angle, it says so and puts a neck lift or lower facelift in the plan rather than a device.

Then it puts a sourced price range next to each option, so you can see what the quote in front of you is competing with. It does not tell you where to go; it tells you what should change, what should not, and what people pay.

What to skip

  • Any fat-dissolving quote given without the pinch-and-strain exam. The published best-practice guidance says the injector should pinch the submentum while you strain, specifically to confirm pinchable fat is present and to rule out deep fat, glands and a low hyoid (PMC). If nobody did that before quoting you a series, they quoted the product, not your neck.
  • Fat treatments of any kind in a neck that failed the skin pinch. Both the liposuction and the Kybella guidance say the same thing in different words: remove the fat under loose skin and you get looser skin (RealSelf; RealSelf). Skin and muscle treatment comes first, or instead.
  • Fat treatments in a neck that disappeared when you pushed your jaw forward. The problem is projection. Fat reduction "cannot adequately correct" that jawline (PMC); chin filler or an implant can.
  • Botox for a soft double chin. It is approved for muscle bands, and a RealSelf injector puts it plainly: it is effective "if you tighten up your neck and see vertical neck bands," and "not effective for the horizontal neck creases" or fat (RealSelf).
  • A mini facelift sold as the fix for your neck. By RealSelf's description it "doesn't address the neck" (RealSelf). If the neck is the complaint, the quote should say neck lift, platysmaplasty, or a full facelift that includes one; our mini facelift vs full facelift guide covers the difference.
  • Skin-tightening devices as a fat treatment. Radiofrequency and ultrasound tighten skin and can be a reasonable step for mild laxity; a surgical review notes that in necks with poor elasticity even deeper-penetrating ultrasound devices have been reported to increase skin laxity (PMC). See Morpheus8 vs Ultherapy before paying for either.

If it goes wrong

Hyaluronic acid chin and jawline filler can be dissolved with hyaluronidase; RealSelf lists it at an average of $335, with a range of $80 to $500 (RealSelf). Fat that has been dissolved or frozen is gone, which is the point when it was the right fat and the problem when it was not. Nerve weakness after fat-dissolving injections "typically resolves on its own in a month, but it can take up to four months" (RealSelf); if your smile is uneven or swallowing is difficult after treatment, the injector needs to see you, not reassure you by text. Paradoxical adipose hyperplasia after cryolipolysis appeared "two to five months post-procedure, after an initial fat reduction" in reported cases (RealSelf), and the fix is usually liposuction. A neck that was over-resected or scarred by prior treatment is a problem for a neck-lift surgeon, and a harder one than if nothing had been done (PMC).

Four questions for the consult

  1. Did you pinch my neck while I strained it? What stayed in your fingers and what pulled away?
  2. In my profile photo, is my chin behind my lower lip? If I add projection, how much of the fullness goes away without touching the fat?
  3. If you remove fat, what do you expect my skin to do afterward, and what is your plan if it does not retract?
  4. If this does not get me where I want to be, what is the next step, and does the treatment you are quoting make that step easier or harder?

If the first question gets a blank look, the quote in your hand is for a product rather than for your neck. For how to compare quotes across providers, read how to get a second opinion; for the related lower-face question of cheek fullness, read is buccal fat removal a good idea.

Frequently asked questions

What causes a double chin if I am not overweight?

Usually something other than the fat you can pinch. A review of submental fat divides it into a superficial layer in front of the platysma muscle and a deep layer behind it, and notes that "modifying the sub-platysmal fat is challenging through non-invasive methods" (PMC). Other causes listed in the clinical screening for Kybella candidates include a low or forward hyoid bone, prominent salivary glands, strong digastric muscles and skin laxity (PMC). A short or set-back chin compounds all of them: fat plus "skeletal retrusion results in a poorly defined jawline that cannot be adequately corrected by fat reduction alone" (PMC).

How much does Kybella cost, and how many treatments does it take?

RealSelf reports an average of $1,228 per treatment across 466 reviews, with a full series running "as high as $2,800" (RealSelf). Three to four treatments are typical, and "in clinical studies, 59% of patients needed six treatments each" (RealSelf). The FDA label allows up to six treatments at least a month apart (FDA label). Its RealSelf Worth It rating is 42%, against 94% for chin liposuction.

Is chin liposuction better than Kybella?

For pinchable fat with good skin, usually yes. RealSelf's own Kybella guide states that "chin liposuction is the preferred treatment option in most cases because it can remove submental fat more effectively, in a shorter amount of time than Kybella" (RealSelf). It averages $4,083 with a 94% Worth It rating, but "you'll need good skin elasticity and minimal jowls to avoid sagging, excess skin once the underlying fat is gone" (RealSelf). Neither treatment reaches fat behind the muscle, glands or a low hyoid.

Does Botox work for a double chin?

Not for fat. Botox Cosmetic was FDA-approved in October 2024 for "moderate to severe platysma bands," the vertical cords that stand out when you strain your neck, at doses of 26, 31 or 36 units (FDA label). Injected along the jawline as well, the "Nefertiti lift" relaxes the muscle pulling the jawline down, and RealSelf notes it is "most beneficial in young patients with good skin elasticity" (RealSelf). If your fullness is soft and does not change when you grimace, Botox has nothing to act on.

Can fat-dissolving injections or CoolSculpting make a later neck lift harder?

Surgeons who operate after them say yes. A surgical series of patients who had prior nonsurgical neck treatments found the common thread was "destruction of the supraplatysmal fat and creation of severe supraplatysmal fibrosis," with the fat layer "fibrotic and tightly adherent to the skin," which made it "nearly impossible to elevate a proper and consistent skin flap" (PMC). If a neck lift is likely in your future, that is a cost of the cheap option that no quote lists.

This article is general education, not medical advice. It does not replace an in-person consultation with a licensed clinician.