Double chin
A double chin (submental fullness) refers to the appearance of a secondary chin contour beneath the jaw.
Our physician’s Real Double Chin Treatment Cases
The following four cases were personally assessed and treatment-planned by our physician at our Nanjing clinic, and are shared with patient authorization via signed Media Release Forms. The causes of submental fullness are multifactorial — including excess fat, skin laxity, platysmal banding, and skeletal retrusion — and results vary significantly between individuals. Outcomes should be assessed through an in-person consultation.
Case 4 · Double Chin — Real-World Results
- Client Profile
- Asian Female · Fitzpatrick IV
- Areas of Concern
- Submental Fullness (Comprehensive Multimodal Combination Protocol)
- Treatment Plan
- Chin augmentation with hyaluronic acid + dermal fillers + Stylage® + perioral rejuvenation and 5 additional treatments (multiple sessions within 3 months)
- Treatment outcomes
- Significant double chin improvement · Natural-looking overall result
- Post-inflammatory hyperpigmentation (PIH)
- No PIH
- Maintenance
- 9-12 months later: filler touch-up
Case 04: Double Chin — Before & After · Asian Female · Fitzpatrick IV · Multimodal combination protocol led by our physician at Luowei Medical Aesthetics Clinic, Nanjing
Case 6 · Submental Fullness — Real Patient Documentation
- Client Profile
- Asian Female · Fitzpatrick IV
- Areas of Concern
- Submental Fullness (Comprehensive Multimodal Combination Protocol)
- Treatment Plan
- Botox® + masseter reduction / facial slimming + Dysport® + neurotoxin, and 7 additional treatments (multiple sessions within 3 months)
- Treatment outcomes
- Significant double chin improvement · Natural-looking overall result
- Post-inflammatory hyperpigmentation (PIH)
- No PIH
- Maintenance
- 9-12 months later: filler touch-up
Case 06: Submental fullness — Before & After · Asian female · Fitzpatrick IV · Multimodal combination protocol led by our physician at Luowei Medical Aesthetics Clinic, Nanjing
Case 6 · Submental Fullness — Real Patient Documentation
- Client Profile
- Asian Female · Fitzpatrick IV
- Areas of Concern
- Submental Fullness (Comprehensive Multimodal Combination Protocol)
- Treatment Plan
- BTL Exilis Ultra™ + BTL Exilis Ultra 360 + Fotona™ 4D® + Fotona™ 4D® lifting, and 14 additional treatments (multiple sessions within 3 months)
- Treatment outcomes
- Significant double chin improvement · Natural-looking overall result
- Post-inflammatory hyperpigmentation (PIH)
- No PIH
- Maintenance
- Daily sun protection + monthly home care routine + quarterly clinical assessment
Case 06: Submental fullness — Before & After · Asian female · Fitzpatrick IV · Multimodal combination protocol led by our physician at Luowei Medical Aesthetics Clinic, Nanjing
Case 8 · Double Chin — Real Patient Record
- Client Profile
- Asian Female · Fitzpatrick IV
- Areas of Concern
- Submental Fullness (Comprehensive Multimodal Combination Protocol)
- Treatment Plan
- Chin filler + dermal filler + Juvéderm® + Stylage®, and 3 additional treatments (multiple sessions within 3 months)
- Treatment outcomes
- Significant double chin improvement · Natural-looking overall result
- Post-inflammatory hyperpigmentation (PIH)
- No PIH
- Maintenance
- 9-12 months later: filler touch-up
Case 08: Double Chin — Before & After · Asian Female · Fitzpatrick IV · Multimodal Combination Treatment led by our physician, at Luowei Medical Aesthetics Clinic, Nanjing
What is a double chin — and why isn’t it always about weight?
A double chin (submental fullness) refers to the appearance of a secondary chin contour beneath the jaw, which blurs the jawline and diminishes the V-shaped facial profile when viewed from the side. In our Asian female patients at our Nanjing clinic, we consistently find that a double chin is rarely caused by a single factor — rather, it is Submental fat accumulation, skin / platysmal laxity, low hyoid position, mandibular retrusion The result of four distinct mechanisms overlapping in varying proportions.
Why do we have a double chin even though we’m not overweight?
BMI clients at a normal or below-average weight can still have a noticeable double chin — the cause is often not fat, but rather Mandibular retrusion, short chin, low hyoid position and other skeletal structures — in these cases, fat reduction or fat dissolution alone will not be effective.
Why does a double chin appear more prominent on Asian faces?
The Asian mandible tends to be flatter and wider than its Caucasian counterpart, with less anterior chin projection. Combined with a facial fat distribution that is concentrated in the mid-to-lower face, even a small amount of submental fat can noticeably flatten the lateral facial profile.
Why Can’t Diet Alone Eliminate It?
The submental fat deposit is Stubborn fat— one that responds poorly to hormonal changes and dietary modifications. Many patients lose 10 lbs and see a clear reduction in their waistline, yet their submental fat remains virtually unchanged.
Why does it suddenly appear after 35?
Collagen and elastin decline by approximately 1–1.5% per year. As platysmal tone decreases and gravity takes effect, skin and muscle laxity can create the visual appearance of a double chin — even when fat volume has not changed.
Clinical notes:The most common reason double chin treatments fail is Treating a laxity-predominant subtype with fat-dissolving intended for fat-predominant cases— When fat volume is already limited, dissolving it further can leave skin looser — and actually make you look older. The first step in our physician’s protocol is always Subtype classification + pinch test + lateral skeletal assessment, rather than proceeding directly with Belkyra.
Five Root Causes of Submental Fullness — It’s Not Just About Weight
In clinical practice, a single cause is rarely the whole picture. Most patients present with 2–3 overlapping contributing factors — which is precisely why a physician assessment is essential before determining a treatment plan.
1. Submental Fat Accumulation
The most common subtype. Submental fat distribution is strongly genetic — even at a healthy overall weight, some individuals are predisposed to thicker submental fat deposits. This fat tends to respond poorly to diet and exercise.
2. Skin laxity and collagen loss
35 After a certain age, collagen and elastin decline by approximately 1–1.5% per year. As skin elasticity in the submental and neck area decreases, sagging can produce a double chin contour even without any increase in fat volume.
3. Platysma laxity (Platysma Band)
With age, the platysma muscle can separate and develop banding, pulling the jawline downward. In patients over 40, this commonly presents as a “turkey neck” appearance compounded by a double chin.
4. Mandibular retrusion / short chin (Retrognathia)
Skeletal structure. When the chin or jaw lacks sufficient projection, the cervicomental angle becomes obtuse — creating the appearance of a double chin even in lean individuals. This type must be addressed through Hyaluronic acid jaw contouring or orthognathic correction, Fat reduction is ineffective.
5. Low hyoid position / postural
A congenitally low hyoid bone, or a chronically forward-head and rounded-shoulder posture, can blunt the cervicomental angle. For these clients, postural correction and neck-tightening treatments are recommended before any fat reduction is considered.
4 conditions commonly mistaken for a double chin — key differential diagnosis points
Misclassification leads to mistreatment. Below are the 4 subtypes our physician most commonly differentiates in clinical practice.
True fat-type double chin
Submental Fat · Submental fat deposit
| Texture | Pinch test A thick fold of fat can be pinched >1.5 cm |
|---|---|
| Lateral profile | Submental fullness with a poorly defined jawline |
| Skin recoil | Good |
| Contributing factors | Genetics + weight + stubborn fat distribution |
| First-Line Treatment | Belkyra Fat Dissolving / CoolSculpting |
Laxity-predominant subtype (pseudo double chin)
Skin Laxity Pseudo-Double Chin
| Texture | Pinch test Thin fat layer with significant skin sagging |
|---|---|
| Lateral profile | Curtain-like skin draping below the jawline |
| Skin recoil | Poor (slow recoil after release) |
| Contributing factors | Collagen loss + rapid weight reduction + aging |
| First-Line Treatment | Ultherapy® / Thermage® / Thread Lift |
Skeletal retrusion (pseudo double chin)
Retrognathia / Weak Chin
| Texture | Minimal submental fat on pinch test, yet the lateral profile still shows a double chin |
|---|---|
| Lateral profile | Chin retrusion with an obtuse cervicomental angle |
| Skin recoil | Good |
| Contributing factors | Mandibular underdevelopment / skeletal structure |
| First-Line Treatment | Chin filler contouring / Orthognathic surgery |
Platysmal banding type
Platysmal Banding
| Texture | Two vertical bands are visible along the neck, becoming more prominent with facial expressions. |
|---|---|
| Lateral profile | Turkey neck + undefined jawline |
| Skin recoil | Moderate |
| Contributing factors | Platysmal banding + chronic tension + aging |
| First-Line Treatment | Botox Platysma tightening + Ultherapy® |
⚠️ Important:Clinically, approximately 35% of patients who present requesting fat-dissolving treatment for their double chin are reclassified after assessment as Laxity-type or skeletal-type, For these two types, Belkyra® is not only ineffective — it may actually worsen laxity. Proper classification must come before any decision to dissolve fat.
Why does Asian jaw structure require a specialist Asian aesthetic assessment?
Common Blind Spots at Mainstream North American Clinics
Clinical data for Belkyra and CoolSculpting in North America is largely based on Caucasian facial anatomy. Applying these protocols directly to Asian faces can lead to the following issues:
- ✗ Overlooking chin retrusion— Asian women generally have less anterior chin projection than Caucasian women — dissolving fat alone often fails to restore a V-shaped profile.
- ✗ Overlooking skeletal structure— Misclassifying skeletal retrusion as fat — leaving the lateral profile flat even after fat dissolution
- ✗ Injection point displacement— The proportions of the lower face differ in Asian anatomy — standard North American injection mapping can easily exceed safe boundaries
- ✗ Over-treatment with fat-dissolving leading to hollowing— Asian faces naturally have less submental fat reserve; over-dissolving can accelerate the appearance of aging
Our physician’s Asian Specialist Assessment
| Assessment Dimensions | North American Standard | Asian-specific adjustment |
|---|---|---|
| Skeletal assessment | Frequently omitted | Lateral profile analysis required |
| Pinch test | Basic palpation | Multi-point mapping + recoil testing |
| Chin projection | Without assessment | Must be assessed — directly affects the treatment plan |
| Injection mapping | Fixed 20–50 injection points | Individualized injection mapping + conservative dosing |
| Whether contouring is indicated | Less advisable | 40% Combination with chin/jawline filler required |
Key differentiating factors:Our physician has spent 8 years at our Nanjing clinic specializing in Asian faces, with over 90% of clients presenting with Asian facial anatomy. Our approach to submental fullness goes far beyond simply administering Belkyra — it is First, identify the source of the lateral profile concern, before deciding whether fat reduction, contouring, or skin tightening — or a combination — is the right approach.
6 Treatment Options for Double Chin — Matched to Your Subtype
There is no single “miracle” device for submental fullness. We select and combine treatment modalities based on the pinch test, lateral profile assessment, and skin recoil evaluation.
Belkyra Submental fat-dissolving injection
NMPA dual certification, key active ingredient Deoxycholic Acid, Directly disrupts the fat cell membrane to permanently eliminate submental fat. It is The gold standard for purely fat-type double chin, Typically completed in 2–4 sessions; results are long-lasting.
CoolSculpting Mini CoolSculpting
A non-invasive cryotherapy technology targeting submental fat deposits, suitable for Needle-averse clients + moderate fat volume. No injections required, though results take longer to appear (approximately 3 months).
Learn about CoolSculpting →
Ultherapy®
Focused ultrasound energy delivered to the SMAS and dermis to stimulate collagen remodeling and lift the jawline.First-line choice for laxity-type double chin, Minimal downtime. Results reach their peak at 3–6 months and are maintained for 12–18 months.
Thermage FLX Thermage®
Monopolar radiofrequency delivers deep heating to stimulate collagen contraction and tightening, suitable for Overall jawline definition + neck laxity. Complements Ultherapy® — one works at depth, the other across a broader surface area.
Hyaluronic acid jawline and chin contouring
Targeted Skeletal retrusion / short chin— a pseudo-double chin caused by insufficient chin projection. By augmenting the chin and extending the jawline, we can reshape the lateral profile without removing any fat, effectively resolving the “visual double chin.”
Emsculpt NEO Submental tightening
HIFEM High-intensity focused electromagnetic energy combined with radiofrequency to stimulate platysmal tightening and submental fat metabolism. Suitable for Platysmal laxity + mild fat accumulation, Highly effective as a supplementary maintenance treatment.
Our physician’s 6-Step Double Chin Treatment Protocol
Consultation + subtype assessment
30 Free consultation — includes multi-point pinch test, lateral skeletal assessment, skin elasticity test, and quantitative VISIA imaging.No subtype classification — no device activated, no injection given.
Treatment planning + informed consent
Based on your subtype, the primary treatment modality is selected — Belkyra, CoolSculpting, Ultherapy, or jawline hyaluronic acid — and you will be informed of expected outcomes, downtime, number of sessions required, and maintenance interval.
Active Treatment Phase (2–4 sessions, once every 6 weeks)
Fat-predominant type: Belkyra, 2–4 sessions. Laxity-predominant type: Ultherapy (1 session) + Thermage® FLX if needed. Skeletal retrusion type: single-session hyaluronic acid contouring. After each treatment, our physician personally reviews your response before determining the next step.
Recovery management
Belkyra Days 3–7 post-procedure involve a swelling and tenderness phase; compression bandaging and cold compresses are recommended. Post-CoolSculpting redness and swelling may persist for 1–2 weeks. Ultherapy® and Thermage® FLX carry no significant downtime. Our physician provides a 24-hour WeChat follow-up channel for all patients.
Assessment period (8–12 weeks after primary treatment completion)
VISIA Quantitative imaging comparison and lateral photography review to determine whether additional treatment is indicated or whether the patient is ready to enter the maintenance period.
Maintenance Phase (every 12–18 months)
Belkyra Results are semi-permanent — destroyed fat cells do not regenerate, provided weight remains stable. Ultherapy® / Thermage® FLX maintenance is recommended every 12–18 months. Filler top-ups every 12–18 months.
Treatment Timeline — How Soon Will You See Results?
| Subtype classification | Primary treatment plan | Initial results visible | Significant improvement | Maintenance |
|---|---|---|---|---|
| Fat type (mild) | Belkyra 2 sessions | 4 weeks after session 1 | 6 weeks after the 2nd session | Semi-permanent results |
| Fat-predominant subtype (moderate to severe) | Belkyra 3-4 sessions | After session 2 | After session 3–4 | Semi-permanent results |
| Laxity type | Ultherapy 1 sessions | 4 weeks | 3-6 months to peak effect | Every 12–18 months |
| Mixed type | Belkyra + Ultherapy Phased approach | After session 1 | 6 months | Assessment every 12 months |
| Skeletal type | Chin filler contouring | Immediate | 1 weeks to fully develop | Every 12–18 months |
Clinical Note:Faster is not always better with double chin treatment. Starting Belkyra® at too high a dose can cause excessive swelling and uneven contour. Our physician’s protocol at our Nanjing clinic favours a conservative start with follow-up adjustments — targeting approximately 70% reduction per session to preserve room for refinement. This measured approach consistently delivers more precise long-term results.
Are You a Candidate for Submental Treatment? 2-Minute Self-Assessment
✅ Appropriate to begin assessment
- ✓Submental fullness or lack of V-shaped lateral profile present for more than 6 months
- ✓Stable weight, yet submental fat does not reduce
- ✓35+ Jowl formation / turkey neck appearance
- ✓Self-conscious about your side profile in photos or videos
- ✓Treatment selection is based on physician assessment, with no predetermined device or product
- ✓Expect natural contour improvement, not a dramatic transformation
❌ treatment should be postponed or the underlying issue addressed first
- ✗Currently pregnant or breastfeeding (treatment recommended after delivery and cessation of breastfeeding)
- ✗Active infection or severe dermatitis in the submental area
- ✗Coagulation disorder / anticoagulant medication not yet discontinued
- ✗BMI Significantly elevated BMI (weight loss to below BMI 27 is recommended before proceeding with fat reduction)
- ✗Expecting complete resolution in a single session (unrealistic expectation)
- ✗Expecting results identical to a Caucasian V-line (Asian facial structure follows its own aesthetic framework)
Luowei Physician-Led Submental Protocol vs. Typical MedSpa
- ✗Recommending Belkyra at first glance without subtype assessment
- ✗Treating skeletal retrusion as excess fat without evaluating bone structure
- ✗Dosing based on North American Caucasian standards — an overdose for Asian facial anatomy
- ✗Too many injection points in a single session, leading to severe swelling
- ✗Procedures largely performed by nurses, without the physician present
- ✗Failing to inform laxity-type clients that fat reduction may worsen skin laxity
- ✗No lateral photography or VISIA quantitative comparison
- ✓Mandatory: pinch test + lateral skeletal assessment + skin recoil evaluation
- ✓4 Each cause type is matched to a different treatment modality.
- ✓Specialist dosing and injection mapping designed for Asian facial anatomy
- ✓Conservative starting doses + follow-up adjustments to minimize the risk of overcorrection
- ✓Our physician — personally consulted and injected
- ✓Clear guidance provided: fat-dissolving is not recommended for laxity-type or skeletal-type double chins.
- ✓VISIA + Lateral photography + staged reassessment
Why is Luowei Medical Aesthetics Clinic’s double chin content trustworthy?
Experience
Expertise Specialty
Authoritativeness Authority
Trustworthiness Trustworthy
All cases on this page are shared with patient authorization via signed Media Release Forms · Clinical records available
About the Cost of Submental Fullness Treatment
Pricing for submental treatments can vary significantly between clinics — but the true value lies not in the device or injectable itself, but in Who performs the assessment, determines the subtype classification, and sets the treatment pace. A double chin is rarely a single-treatment problem. Fat, laxity, skeletal retrusion, and platysmal banding each require a different approach — and misreading the type even once costs far more than a consultation. Injectable treatments (Belkyra® and jawline filler contouring) are performed exclusively by our physician: the submental region contains the marginal mandibular branch of the facial nerve and critical vasculature, where clinical experience directly determines safety. Energy-based treatments (Ultherapy® and Thermage®) can be safely performed by our trained medical team under our physician’s protocol — making these options more accessible for the right candidates. The price difference between laser and energy treatmentsessentially reflects the difference in clinical experience between physician-performed and technician-performed treatments. The right protocol for you is determined by your presentation — not by price point. The specific plan will be discussed during your consultation, based on a thorough subtype assessment.
- Payment is made at the clinic, after the consultation and before treatment begins
- Nothing is paid in advance, and no deposit is required to hold an appointment
- Cosmetic treatment is a self-pay item and is not covered by public medical insurance in China
- All first-time clients receive a complimentary 30-minute Free Consultation & Assessment
Risks & Contraindications — What You Need to Know
Belkyra What are the main risks of fat-dissolving treatment?
1. Post-injection swelling(Experienced by nearly all patients, most noticeable on days 3–7); 2. Localized bruising and tenderness (1–2 weeks); 3. Temporary numbness along the jawline (resolves within 2–4 weeks); 4. Rare but important to be aware of:Marginal mandibular nerve injury Leading to oral commissure asymmetry (clinical incidence rate <1%, physician-administered injections significantly reduce this risk); 5. Swallowing discomfort (rare and temporary). Our clinical protocol uses conservative dosing with precise injection mapping, substantially minimizing these risks.
Who is not a suitable candidate for double chin treatment?
Pregnancy, breastfeeding, active submental infection or dermatitis, uncontrolled severe coagulation disorders, recent unresolved jaw-area surgery, known allergy to deoxycholic acid (Belkyra® only), significantly elevated BMI (weight management is recommended first), and unrealistic expectations (believing one session will fully resolve the concern) — in any of these situations, our physician will advise postponing treatment or addressing the underlying issue first.
How Can Injection Complication Risks Be Reduced?
5 Key Strategies to Reduce Complications: (1) Choose a physician with advanced anatomical training; (2) Start at the lower end of the dosage range and complete treatment over 2–3 sessions; (3) Discontinue aspirin, fish oil, and vitamin E at least 7 days before injection; (4) Apply a compression bandage and cold compress for 48 hours post-injection; (5) If persistent >2 Return immediately for a follow-up if swelling persists beyond the expected period or if asymmetry around the corners of the mouth develops.
What does the informed consent form include?
Every client signs an informed consent form before their first treatment. It covers the treatment mechanism, possible adverse reactions and their likelihood, alternative options, criteria for discontinuing treatment, follow-up scheduling, and a media release (optional). Our physician personally reviews every item with you — it is never delegated to front-desk staff.
Where the medical claims on this page come from
Everything above about Double chin rests on published evidence rather than on our own word. The sources below are the ones behind those statements: peer-reviewed papers indexed in PubMed, and guidance written for patients by dermatology academies and national health services. Read them before you decide — and bring any of them to your consultation.
- Peer-reviewedDeoxycholic Acid: A Review in Submental Fat Contouring
- Peer-reviewedCryolipolysis for fat reduction and body contouring: safety and efficacy of current treatment paradigms
What these references can and cannot tell you. They describe what is known about the treatment itself — how well it tends to work, how long results last, and what can go wrong. They are not an assessment of this clinic, and no published study can tell you whether it suits your skin type, anatomy, or medical history. That judgement comes from the physician who examines you in person, and it may well be “not this one”.