Overall body fat loss through diet and exercise remains the most reliable natural way to reduce fullness under the chin. The submental area, the soft tissue between the jawline and the neck, accumulates fat in patterns that vary from person to person, and no single home technique has strong clinical evidence for shrinking that area in isolation. That said, the picture is more nuanced than a flat “you can’t do anything,” and several home strategies can make a visible difference depending on what is causing the fullness in the first place.
What Creates a Double Chin
A double chin is not just a pocket of fat. The submental region is a layered structure involving skin, subcutaneous fat, a thin sheet of muscle called the platysma, deeper fat below that muscle, salivary glands, and bone. In roughly three out of four people, about 70 percent of the fat under the chin sits above the platysma in the superficial layer, though in about 15 percent of people the split is closer to half and half between the superficial and deep compartments.1Dermatologic Surgery. Anatomy of the Cervicomental Region: Insights From an Anatomy Laboratory and Roundtable Discussion That variation matters because superficial fat responds more readily to weight loss, while deeper fat and glandular tissue do not change much regardless of what you do at home.
Several factors contribute to submental fullness beyond simple weight gain. Genetics influence where your body stores fat, and some people deposit more in the face and neck even at a healthy weight. Aging plays a role because the skin gradually loses elasticity, allowing tissue to sag. Bone resorption in the jaw over decades reduces the structural scaffolding that keeps the chin area taut. And the platysma muscle itself has variable anatomy: in about 10 percent of people, the medial fibers of the platysma do not cross over at the midline at all, which can reduce the muscular “sling” supporting that area.1Dermatologic Surgery. Anatomy of the Cervicomental Region: Insights From an Anatomy Laboratory and Roundtable Discussion All of this means that two people at the same body weight can have very different-looking chin profiles.
Losing Overall Body Fat Is Still the Most Effective Lever
If excess body fat is the main contributor to your double chin, reducing it through a calorie deficit will eventually pull fat from the submental area. The body does not let you choose where it burns fat first, and which sites shrink earliest varies by genetics and sex. But the chin and face do tend to show changes relatively early during weight loss for many people, partly because the total volume of fat there is small compared with the trunk or thighs. A study of women following a low-calorie, high-protein diet found significant decreases in body fat percentage and in skinfold thickness at several sites including the chest, waist, and hip, illustrating that overall dietary changes produce measurable regional fat loss even if the pattern is not perfectly uniform.2PLoS ONE. Subcutaneous and Segmental Fat Loss with and without Supportive Supplements in Conjunction with a Low-Calorie High Protein Diet in Healthy Women
The practical advice here is straightforward: a sustained, moderate calorie deficit combined with regular physical activity is the foundation. No specific food, supplement, or drink targets chin fat. Green tea, apple cider vinegar, and similar internet favorites have not been shown in any rigorous trial to preferentially reduce submental fat. They may support overall metabolism at the margins, but they are not chin-specific solutions.
Can You Spot-Reduce Chin Fat With Exercise?
The idea that you can burn fat from a specific body part by exercising that area, known as spot reduction, has been dismissed by exercise scientists for decades. The evidence has not been entirely settled, though. One randomized trial found that participants who performed abdominal endurance exercises lost more trunk fat than a control group doing treadmill running, even though both groups lost similar total body fat. The trunk-specific group lost about 3 percent more fat from that region.3PubMed Central. Abdominal aerobic endurance exercise reveals spot reduction exists: A randomized controlled trial That result is interesting, but it involved large muscle groups performing sustained aerobic work, which is a very different situation from the small muscles beneath your chin. The submental muscles are tiny, and any exercise you do with them burns a negligible number of calories. Even if some form of localized fat mobilization exists for heavily worked muscles, extrapolating that to chin exercises is a stretch the evidence does not support.
What Neck and Facial Exercises Actually Do
You will find dozens of YouTube videos and social media posts recommending chin lifts, neck stretches, and tongue presses to eliminate a double chin. The exercises are real in the sense that they do activate the muscles in question. A study comparing a head-extension tongue-press exercise with other submental exercises confirmed that pressing the tongue against the roof of the mouth while tilting the head back effectively activates the muscles beneath the chin.4PubMed. Comparison of sEMG activity of submental muscles between the head-lift exercise, tongue-press exercise and the head extension tongue-press exercise in healthy young adults That activation is measurable on electromyography, so the muscles are genuinely working.
The problem is that muscle activation and visible fat reduction are not the same thing. A separate study tested two strategies for the suprahyoid muscles, exercises involving tongue pressure against the palate and a combination of that exercise with swallowing training, and measured both muscle recruitment and self-perceived visual improvement. While muscle recruitment increased with both approaches, neither strategy produced a significant change in how participants perceived the appearance of their submandibular region.5Rev. CEFAC. Speech pathology in facial aesthetics: effects of two strategies for the suprahyoid muscles Stronger muscles do not necessarily mean less visible fat or tighter skin. Neck exercises may improve muscle tone and possibly create a slightly firmer feel under the chin, but expecting them to melt away a double chin is not supported by the current research.
Jawline Training Devices
Silicone jaw exercisers marketed for “jawline sculpting” have gained popularity online, with claims that chewing against resistance will define the jaw and reduce submental fullness. A review of the scientific literature on these devices found limited evidence that they reduce double chins, enhance jawlines, or tighten facial skin. The muscles targeted by chewing exercises, primarily the masseter and temporalis, do not directly act on submental fat or skin elasticity.6PubMed Central. Facial Contouring Through Jaw Exercises: A Report of Two Cases Examining Efficacy and Consumer Expectations In other words, you are strengthening muscles that move your jaw, not the tissue that creates the double chin. Overuse of these devices also carries risks, including temporomandibular joint pain, headaches, and excessive growth of the masseter muscle, which can actually widen the lower face rather than slim it.
Facial Massage and Rollers
Facial rollers (jade rollers, ice rollers) and gua sha tools are often marketed as ways to “sculpt” the jawline and reduce puffiness. Some of their benefit is genuinely about fluid movement: rolling and scraping motions can encourage lymphatic drainage, which temporarily reduces water retention in the face. If your double chin looks worse in the morning or after salty meals, some of what you are seeing is fluid, and massage can help move it along.
A randomized controlled trial comparing facial rollers and gua sha massage found that both tools produced significant decreases in facial surface distances over time, with reductions ranging from about 2 to 3 millimeters at several measurement points.7PubMed Central. Comparative Effects of Facial Roller and Gua Sha Massage on Facial Contour, Muscle Tone, and Skin Elasticity: Randomized Controlled Trial A few millimeters may not sound dramatic, but in the context of facial contour, small changes can be visible, especially along the jawline. The results were comparable between the two tools, so there is no reason to prefer one over the other. The key limitation is that these changes reflect fluid redistribution and possibly mild tissue remodeling from repeated mechanical stimulation, not permanent fat loss. Consistent use may maintain the effect, but stopping will likely return you to baseline.
Posture and the Illusion of a Double Chin
Forward head posture, the position most people assume when staring at a phone or hunching over a laptop, pushes the chin forward and compresses the tissue underneath it, visually creating or accentuating a double chin even in people with very little submental fat. This is one of the most underappreciated contributors. Try this yourself: sit up straight, pull your head back so your ears are over your shoulders, and look in a mirror. Then jut your head forward a couple of inches and look again. The difference in how the under-chin area looks can be striking.
Correcting forward head posture will not remove fat, but it can dramatically change the visual appearance of the chin and neck. Strengthening the deep cervical flexors at the front of the neck and stretching the muscles at the back, along with setting up workstations at appropriate heights, are standard physiotherapy approaches. Chin tucks, where you pull your chin straight back as if making a “double chin” on purpose, are one of the simplest exercises for this. Ironically, the exercise that temporarily makes you look like you have a worse double chin is training the muscles that reduce the appearance of one over time.
Skin Laxity, Aging, and the Limits of Natural Approaches
For younger people with good skin elasticity, losing weight and improving posture may be all it takes for the chin area to tighten up. But after about age 40, and especially after significant weight loss, the skin may not retract fully on its own. Several factors influence how well skin bounces back in the submental area: age, the total amount of weight lost, how quickly it was lost, and the degree to which skin elasticity has already declined.8Elsevier / Clinics in Plastic Surgery. Face Lifting in the Massive Weight Loss Patient Someone who loses 20 pounds gradually in their thirties is in a very different situation from someone who loses 80 pounds quickly in their fifties.
There is no home remedy that meaningfully reverses skin laxity once it has progressed beyond a mild stage. Retinol-based skincare products can modestly improve skin texture and firmness with consistent long-term use, and keeping skin well-moisturized supports its barrier function, but these effects are subtle. Sunscreen is arguably the most important preventive measure because ultraviolet damage is a primary driver of collagen breakdown and loss of elasticity. If you are in your twenties or thirties and reading this as prevention rather than correction, consistent sun protection on the neck and face is the single highest-return habit.
Hydration, Diet Quality, and Inflammation
Water retention in the face is a real phenomenon that can make a double chin look worse than the underlying fat would suggest. High sodium intake, alcohol consumption, poor sleep, and hormonal fluctuations all promote fluid retention. Reducing sodium, staying hydrated, and improving sleep quality can reduce puffiness noticeably within days. This is not fat loss, but if your double chin fluctuates in severity, fluid management may account for a meaningful portion of the visual change.
Chronic low-grade inflammation from a poor diet may also affect the skin and fat tissue in the face over time. Diets high in refined sugar and ultra-processed food are associated with accelerated skin aging, partly because of a process called glycation, in which sugar molecules bind to collagen fibers and make them stiffer and less elastic. A diet rich in vegetables, lean protein, and healthy fats supports both body composition and skin quality, though the effect on a double chin specifically is indirect. Nobody has run a trial on anti-inflammatory diets and submental fat. The logic is sound, but the evidence is general rather than chin-specific.
Putting It All Together Practically
The honest ranking of what works at home, based on the available evidence, looks roughly like this:
- Calorie deficit with exercise: The only approach that actually reduces fat in the submental area. It works because it reduces fat everywhere, and the chin will eventually benefit. Aerobic exercise plus resistance training for the whole body is more effective than either alone.
- Posture correction: Can make an immediate visual difference if forward head posture is contributing. Costs nothing and has other health benefits.
- Reducing sodium and alcohol: Helps if fluid retention is exaggerating the fullness. Effects are visible within a few days.
- Facial massage or rolling: Modest, temporary improvements in contour through fluid drainage and mechanical stimulation. Consistent use needed.
- Neck and tongue exercises: Strengthen the muscles in the area, which may provide a mild toning effect, but have not been shown to reduce visible submental fullness in controlled studies.
- Jawline chewing devices: Little to no evidence of benefit for double chins, and they carry real risk of jaw joint problems.
Combining several of these strategies is reasonable. Someone who cleans up their diet, adds regular cardio, fixes their desk posture, and does a nightly gua sha routine is addressing multiple contributors simultaneously. None of them is a silver bullet, but together they cover the main modifiable factors.
When Anatomy Works Against You
Some people do everything right and still have a double chin. If your jaw is naturally set further back (a retruded mandible), the distance between your chin bone and your neck is shorter, and even a small amount of tissue in the submental area will look like a double chin. Genetics also influence how much of the submandibular salivary gland contributes to fullness in that region, and glandular tissue does not respond to diet or exercise.9Aesthetic Surgery Journal. An Anatomic Basis for Volumetric Evaluation of the Neck The platysma muscle variation mentioned earlier also plays a role: people with less midline platysma decussation have less natural muscular support for the submental region, which contributes to a softer chin-neck angle regardless of body fat.1Dermatologic Surgery. Anatomy of the Cervicomental Region: Insights From an Anatomy Laboratory and Roundtable Discussion
These structural factors are not something you can change with lifestyle adjustments. Recognizing them is important because it prevents the frustration of assuming you are doing something wrong when natural approaches have genuinely reached their limit. Clinical options like injectable fat dissolvers, cryolipolysis, radiofrequency skin tightening, and surgical liposuction exist for people who want further improvement beyond what home methods can achieve. One prospective study of radiofrequency treatment for mild to moderate submental skin laxity found that about 72 percent of subjects achieved a measurable lift of the area by 90 days, with skin elasticity continuing to improve through six months.10Aesthetic Surgery Journal. Temperature-Controlled Monopolar Radiofrequency in the Treatment of Submental Skin Laxity: A Prospective Study These are not home remedies, but knowing they exist can help you make an informed decision about where the line between home approaches and professional treatment falls for your specific anatomy.
Thyroid and Hormonal Considerations
If you have gained submental fullness without a change in diet or weight, it is worth considering whether a hormonal issue is at play. Hypothyroidism, an underactive thyroid gland, commonly causes facial puffiness and weight gain that tends to distribute broadly, including in the face and neck. Cushing’s syndrome, caused by excess cortisol, characteristically produces a “moon face” and fat deposition in the upper back and neck. Both conditions are treatable, and the facial changes often improve substantially once the underlying hormonal imbalance is corrected. If your double chin appeared seemingly out of nowhere or is accompanied by fatigue, unexplained weight changes, or skin changes, a conversation with your doctor and a simple blood test can rule these out. No amount of chin exercises will help if the real problem is a thyroid that needs medication.