Doctor assessing submental fat on a patient at a cosmetic clinic in Kensington, London

Skin · 10 min read

Double Chin Removal in London: Lipo, CoolSculpting or Kybella – Which Is Right for You?

By Dr Hassan Soueid · MD, FRCS · Lead Surgeon, Kensington Cosmetic Clinic

Published 3 July 2026

TL;DR. Submental liposuction, cryolipolysis (CoolSculpting) and deoxycholic acid injections (Kybella) can all reduce a double chin, but they differ so substantially in invasiveness, recovery and the type of patient they suit that choosing between them without a proper medical consultation is genuinely risky.

Why a double chin is harder to shift than people expect

Submental fat, the pad of adipose tissue that sits beneath the chin and above the neck, is one of the most genetically stubborn deposits on the human body. For many people it bears almost no relationship to their overall body weight. You can be lean, active and otherwise happy with your physique and still carry a visible double chin because of inherited fat distribution patterns, skin laxity that increases with age, or the natural forward projection of the hyoid bone. This is not a failure of diet or exercise. It is anatomy.

That biological reality is precisely why cosmetic interventions exist for this area, and why the London aesthetics market has seen growing demand for submental treatments over the past decade. It is also why the marketing around these treatments can be misleading. All three options discussed in this article, surgical liposuction, non-surgical fat freezing and injectable fat-dissolving, work by different mechanisms, carry different risk profiles and produce results over very different timescales. Understanding those differences before you commit to anything is the single most important thing you can do.

One further point before we begin: none of these treatments addresses loose skin in isolation. If skin laxity is a significant component of what bothers you about your chin and neck profile, fat reduction alone may actually make the appearance worse, not better. A thorough assessment by a qualified doctor is essential before any treatment is planned.

Option one: submental liposuction

Surgical liposuction of the submental area remains the gold standard for fat removal in this region, and it is worth being honest about why. It is the only technique that physically removes fat cells from the body in a single session under direct control. When performed by an experienced surgeon, it offers predictable, permanent reduction of the fat pad with a relatively small incision, typically a single entry point beneath the chin measuring just a few millimetres.

The procedure is usually carried out under local anaesthesia with sedation, or occasionally under general anaesthetic depending on the volume of fat and whether it is being combined with other work such as a neck lift or facelift. A thin cannula is inserted and the fat is suctioned away. The whole procedure typically takes under an hour when performed in isolation.

Recovery is real and should not be minimised. Patients should expect significant bruising and swelling for the first one to two weeks. A compression garment worn around the chin and neck is usually recommended for several weeks to support the tissues as they heal and to encourage the skin to retract smoothly. Most people take at least a week away from work, and social downtime can extend to two or three weeks depending on how quickly bruising resolves. Numbness in the treated area is common for several weeks and occasionally persists for a few months.

The risks associated with submental liposuction include uneven contour, over-resection leading to a hollow or skeletonised appearance, injury to the marginal mandibular nerve (which controls movement at the corner of the mouth), infection, haematoma and, as noted above, worsening of skin laxity if the skin does not retract adequately. Choosing a surgeon with specific experience in the neck and lower face is non-negotiable. This is not a procedure to have performed by someone whose primary expertise lies elsewhere.

The permanence of liposuction is its most compelling argument. Fat cells that are removed do not regenerate. Significant weight gain after the procedure can cause remaining fat cells in the area to enlarge, but the structural change achieved by liposuction is durable in a way that non-surgical alternatives simply are not.

Option two: CoolSculpting (cryolipolysis)

CoolSculpting uses controlled cooling to trigger apoptosis, the programmed death of fat cells, without damaging the overlying skin. A small applicator designed specifically for the submental area is placed beneath the chin, draws the tissue into a cup and holds it at a precisely calibrated low temperature for approximately 35 to 45 minutes. Over the following weeks the body's lymphatic system gradually clears the damaged fat cells, and the reduction in volume becomes visible over two to four months.

The appeal of this approach is obvious: no needles, no incisions, no anaesthesia, no formal recovery period. Most patients return to work the same day. The treated area will feel numb, tender and look swollen and red immediately after the session, and there may be some bruising, but these effects typically resolve within days rather than weeks.

The honest limitations are equally important to understand. CoolSculpting in the submental area tends to produce more modest results than surgical liposuction. Most patients require at least two sessions to see a meaningful change, and even then the degree of fat reduction is generally less dramatic than what surgery can achieve. It is best suited to patients with a small to moderate amount of submental fat and good skin elasticity. Patients with a large fat pad, poor skin tone or significant skin laxity are unlikely to be good candidates, and the treatment may be actively unsuitable for them.

There is also a rare but important side effect called paradoxical adipose hyperplasia, in which the treated fat tissue enlarges rather than reduces following cryolipolysis. This occurs in a small percentage of cases, is more commonly reported in male patients, and typically requires surgical correction. It is not something most clinics discuss prominently in their marketing, but any honest practitioner should mention it during a consultation.

CoolSculpting is a reasonable option for the right patient, specifically someone who has a modest, well-defined submental fat pad, good skin elasticity, realistic expectations about the degree of change achievable and a strong preference for avoiding surgery. It is not a substitute for liposuction in patients who need more substantial correction.

Option three: Kybella and deoxycholic acid injections

Kybella is the brand name for injectable deoxycholic acid, a molecule that occurs naturally in the body and assists in the breakdown and absorption of dietary fat. When injected into submental fat, it destroys the cell membranes of adipocytes, causing them to lyse and be cleared by the immune system over several weeks. In the United Kingdom the treatment is sometimes referred to more generically as fat-dissolving injections, and several deoxycholic acid formulations are available.

Each treatment session involves a grid of small injections across the submental area, typically 20 to 30 injection points per session. Most patients require between two and four sessions spaced at least four to six weeks apart to achieve their desired outcome. As with CoolSculpting, the results develop gradually over months rather than being immediately visible.

The side effect profile of deoxycholic acid injections is significant and patients must be counselled about it thoroughly. Swelling after each session is not subtle. The submental area can become markedly swollen, tender, hard and bruised for one to two weeks following each treatment. Many patients describe the swelling as temporarily making their double chin look considerably worse before it improves. This is a normal part of the inflammatory process but it is distressing if you are not expecting it, and it does require social downtime that many patients underestimate.

More serious risks include nerve injury, specifically to the marginal mandibular nerve, which can cause temporary or, rarely, permanent asymmetry of the smile. Skin necrosis is a rare but recognised complication if the product is injected too superficially. Alopecia at the injection site has also been reported. These risks are substantially reduced when the treatment is performed by a doctor with a thorough understanding of the anatomy of the neck and lower face, which is why this should never be considered a low-risk, low-skill procedure simply because it does not involve surgery.

Deoxycholic acid injections occupy a middle ground: more invasive than CoolSculpting in terms of the immediate experience, less invasive than surgery in terms of the overall commitment. They are best suited to patients with a small to moderate fat pad who want a non-surgical approach and are prepared for the reality of multiple sessions and significant post-treatment swelling.

How to choose between the three options

The honest answer is that the right treatment depends on a careful assessment of the individual, and no article can substitute for that. However, some general principles are worth setting out.

If you have a large submental fat pad, poor skin elasticity or are considering combining chin work with broader lower face rejuvenation, surgical liposuction, potentially alongside a facelift or neck lift, is likely to produce the most satisfying and durable outcome. The recovery is real but so is the result.

If your fat pad is modest, your skin has reasonable tone and you have a genuine aversion to surgery, CoolSculpting or deoxycholic acid injections are worth discussing. CoolSculpting involves less immediate discomfort and no downtime. Deoxycholic acid injections involve more post-treatment swelling but may produce a slightly more targeted result in some patients.

If skin laxity is your primary concern rather than fat volume, neither fat reduction surgery nor non-surgical fat reduction is the right starting point. Treatments that address skin quality and tightening, such as Endolift laser or radiofrequency microneedling, may be more appropriate, either alone or in combination with fat reduction.

It is also worth noting that combination approaches are increasingly common. A surgeon might recommend a small amount of liposuction combined with a skin-tightening procedure, or a clinician might suggest a course of deoxycholic acid injections followed by a collagen-stimulating treatment such as microneedling to improve skin quality in the area. The best treatment plan is rarely a single modality chosen in isolation.

Who is NOT a suitable candidate

This section matters as much as anything else in this article. Not everyone who dislikes their double chin is a suitable candidate for any of these treatments, and a responsible clinic will tell you so.

You are unlikely to be a good candidate for submental fat reduction if your double chin is primarily caused by skin laxity rather than fat, if you have active skin infection or inflammation in the treatment area, if you have a bleeding disorder or are taking anticoagulant medication that cannot be paused, if you are pregnant or breastfeeding, or if your expectations are not aligned with what the treatments can realistically achieve.

Patients with significant weight fluctuation are also counselled carefully. Liposuction removes fat cells permanently, but if you gain substantial weight after the procedure the remaining fat cells in the area, and fat cells elsewhere in the body, will enlarge. The structural improvement from surgery can be partially undone by significant post-operative weight gain.

Patients with certain autoimmune conditions, those who have had previous surgery or trauma in the submental area, and those with anatomical features such as a low hyoid bone that limits the available treatment zone may also find that their options are more restricted than they anticipated. This is another reason why a thorough in-person assessment with a qualified doctor is not optional.

What to expect from a consultation at our Kensington clinic

At our clinic in Kensington, consultations for submental treatments are led by Dr Hassan, whose background in surgical and non-surgical aesthetics means that every patient is assessed across the full spectrum of available options rather than being steered towards a single modality. The goal of a consultation is not to sell a treatment. It is to understand what is actually causing the concern, whether that is fat volume, skin laxity, bony anatomy or a combination of factors, and to give an honest appraisal of what is and is not achievable.

Patients are encouraged to ask difficult questions. What happens if I am not happy with the result? What are the realistic chances of needing a revision? What does the recovery actually look like week by week? These are not uncomfortable questions. They are the right questions, and any doctor who is reluctant to answer them clearly is not the right doctor for you.

London has no shortage of clinics offering double chin treatments, and the variation in practitioner experience, clinical oversight and aftercare standards is enormous. Kensington is home to some of the most experienced cosmetic practitioners in the country, but it is also home to practitioners who are not adequately trained for the procedures they offer. Doing your due diligence on the qualifications and specific experience of whoever will be treating you is not excessive caution. It is basic common sense.

Booking your consultation

If you are considering double chin treatment in London and want an honest, medically led assessment of your options, the right first step is a face-to-face consultation rather than a treatment booking. At our clinic in Kensington, we do not offer same-day treatments following a consultation for surgical procedures, and we apply a reflection period before proceeding with any invasive treatment. This is not a bureaucratic inconvenience. It is good medical practice.

To arrange a consultation with Dr Hassan, please visit our booking page and select the submental assessment option. Come prepared with a clear description of what bothers you, any relevant medical history and, if you have them, notes from any previous treatments you have had in the area. The more information you bring, the more useful the consultation will be. We look forward to speaking with you.

Frequently asked

Questions we get asked about EnerPeel®

Is double chin removal permanent?
Surgical liposuction removes fat cells permanently, so the structural change is durable. However, significant weight gain after the procedure can cause remaining fat cells to enlarge, partially reversing the improvement. CoolSculpting and deoxycholic acid injections also destroy fat cells, but the degree of reduction is more modest and the long-term durability depends on weight stability and the number of sessions completed.
How much downtime should I expect for each treatment?
Submental liposuction typically requires one to two weeks away from work and two to three weeks of social downtime due to bruising and swelling. CoolSculpting has minimal downtime, with most patients returning to normal activities the same day, though the area may be tender and swollen for a few days. Deoxycholic acid injections cause significant swelling and bruising for one to two weeks after each session, which many patients underestimate.
Can these treatments help if my double chin is caused by loose skin rather than fat?
No. Fat reduction treatments, whether surgical or non-surgical, address fat volume and not skin laxity. If loose skin is the primary cause of your concern, fat reduction alone may actually worsen the appearance by leaving redundant skin without the fat volume to support it. Skin-tightening treatments or surgical procedures that address skin excess directly would be more appropriate, and a thorough consultation with a qualified doctor is essential to determine the correct approach.
Are fat-dissolving injections safe?
Deoxycholic acid injections are a recognised treatment with a reasonable safety profile when administered by a doctor with thorough knowledge of the anatomy of the lower face and neck. Risks include temporary swelling and bruising, nerve injury causing asymmetry of the smile, and rarely skin necrosis if the product is injected too superficially. The risk of serious complications is substantially reduced when the treatment is performed by an appropriately qualified and experienced practitioner.
How do I know which treatment is right for me?
The only reliable way to determine the most appropriate treatment is through an in-person consultation with a qualified doctor who can assess the volume and distribution of your submental fat, the quality and elasticity of your skin, your overall anatomy and your medical history. No online quiz, photograph assessment or article, including this one, can substitute for that clinical evaluation. We would strongly encourage anyone considering double chin treatment in London to seek a thorough medical consultation before committing to any procedure.
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