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Home / Procedures / Fat dissolving injections
The complete guide · Last reviewed 1 June 2025
Written and maintained by the Clinics for Kings editorial desk·Edited by Morten Andersen & Fredrik Filipsson
Fact-checked against the cited medical and cost sources by the Clinics for Kings editorial desk·General information, not a clinician’s review — always consult a licensed doctor.

Fat dissolving injections, explained honestly.

What they really cost, how many sessions you need, the real risks, and why a course of small injections is rarely worth travelling for. We never name a clinic.

General health information, not medical advice, and not a substitute for a qualified doctor. Always consult a licensed professional before making any decision.
£200 to £400
Indicative per session UK
more for larger areas
2 to 4 plus
Sessions per area
weeks apart
3 to 7 days
Swelling afterwards
varies by person
The one honest thing
These injections dissolve small pockets of fat, not large volumes, and a poor injection can cause lasting harm. This is not weight loss.
Quick answer

Are they worth travelling for?

Fat dissolving injections use deoxycholic acid, a substance the body makes naturally to break down fat, to disrupt fat cells in small, stubborn pockets such as under the chin. In the UK a session commonly costs about £200 to £400, and most areas need two to four or more sessions spaced weeks apart. They treat small pockets, not large volumes, so they are not a weight loss tool. Because the saving on each small session is modest and any complication is better handled close to home, travelling abroad for them rarely makes sense.

Indicative ranges, reviewed June 2025, and they vary by product, area, and number of sessions. They are not a quote.

What it is

What they are, in plain terms.

Fat dissolving injections, sometimes called injection lipolysis, place a solution into the fat layer just under the skin. Most clinically used products contain deoxycholic acid, a bile acid the body produces to help digest fat. In controlled amounts it breaks down the wall of fat cells in the treated area, and the body then clears the released contents over the following weeks. One branded deoxycholic acid product is approved by the United States Food and Drug Administration for fat under the chin. Several products used across the United Kingdom and Europe are not approved in that way, so the choice of product and the skill of the injector matter a great deal.

Who it tends to suit. People with small, defined pockets of fat that resist diet and exercise, such as under the chin or along the jaw, who are at a stable weight and have realistic expectations.

Who it tends not to suit. People hoping to lose significant weight or treat large areas, those who are pregnant or breastfeeding, anyone with an infection or certain conditions in the area, and people wanting one dramatic change. These injections are for fine tuning, not body transformation.

What it really costs

The price, honestly.

Price is usually per session and per area, with larger or multiple areas costing more. Because most pockets need several sessions, judge the cost over the whole course rather than one visit. The saving on each small session abroad is modest, and returning for repeat sessions and managing any swelling makes travelling impractical.

Indicative ranges, reviewed June 2025. Not a quote. A very low price can signal an unregulated product or an untrained injector, which is where the serious problems start.

ItemUK indicativeNote
Per session, per area£200 to £400by product and size
Sessions per area2 to 4 or moreweeks apart
Larger or multiple areasmore againpriced per area

Always confirm in writing the exact product used, what a session includes, and what currency you are billed in. Indicative ranges, reviewed 21 June 2026, not a quote.

Risks and safety

What can go wrong.

Placed well by a trained medical injector on a suitable area, these injections are generally tolerated, with most side effects mild and short lived. The serious problems are uncommon and trace mainly to unregulated products or untrained hands.

Swelling, bruising, and tenderness

Very common in the treated area for roughly three to seven days, and sometimes longer under the chin, which can swell noticeably at first.

Redness, firmness, and numbness

Temporary hardness or small lumps and patches of numbness can occur as the area settles over the following weeks.

Infection

Because the skin is broken, poor hygiene or a non sterile technique can cause infection, which needs prompt medical care.

Nerve injury, scarring, and skin damage

Rarely, and far more often with untrained injectors or unapproved products, injections can cause nerve injury, skin necrosis where tissue dies, scarring, or lasting deformity. Regulators have warned about serious harm from unapproved fat dissolving products.

The risk specific to travelling

A course of sessions over weeks cannot sensibly be done abroad, and if swelling, infection, or a nerve problem arises you want your injector nearby. The small saving does not justify the trip or the harder follow up from another country.

How to choose and what to ask

Six questions before you pay.

A safe provider is a trained medical professional who uses a regulated product, assesses your suitability, and is honest that this treats small pockets only. Unnamed solutions, pressure to buy a package, and prices far below the market are the warning signs. We never name clinics, so use these to judge any you are sent.

1
Is the injector a trained medical professional?
Ask their qualifications and experience. These injections carry real risks and are best placed by a trained medical injector, not a beautician.
2
Exactly which product will be used and is it regulated?
Ask for the product by name and how it is regulated. Avoid anyone who will not tell you what they are injecting.
3
Am I a suitable candidate for this area?
A good provider checks your health and the area, and will say plainly if you are better suited to another treatment or to none.
4
How many sessions will I realistically need and at what total cost?
Most areas need two to four or more sessions. Ask for the full course price so you can compare honestly.
5
What is the aftercare and how much swelling should I expect?
Under the chin in particular can swell noticeably. Make sure the downtime fits your plans and you know how to care for the area.
6
What happens if I get an infection or a poor result?
Ask who you contact and how problems are managed, which is far easier with a provider you can return to.
Aftercare and the follow up problem

Aftercare, and what happens once you are home.

01

First days

Swelling, tenderness, and bruising are common for several days, and the chin can look puffy at first. Follow the aftercare advice and avoid pressure on the area.

02

Weeks 1 to 4

Swelling settles and the body gradually clears the treated fat. Any firmness or numbness usually eases over this time.

03

The course

Sessions are repeated, often two to four or more spaced weeks apart, with the change building slowly across the course.

04

Settling

The final effect of a course shows over a few months. Keeping a stable weight helps hold the result, as remaining fat cells can still enlarge.

The follow up problem

A course over weeks cannot sensibly be done abroad, and swelling, infection, or a nerve problem is far better handled by an injector you can return to. For both reasons this is a treatment best done close to home.

Insurance and complication cover

Standard travel insurance does not cover elective aesthetic treatment or its complications. Putting right a poor result or a nerve injury can be costly and slow.

Get Matched with a vetted clinic

If you go ahead, choose safely.

If you do go ahead, send one brief and we route it to vetted providers that meet the standards above. They return clear plans and prices. You choose, with no pressure.

Free and no obligation. Accredited clinics only. We never sell your details.

We reply within two working days. Your details are never sold.

How we make money: the guides are free and no clinic can pay to be named, ranked or recommended. We never name clinics. Get Matched is an optional service that helps keep the guides free and independent of any one clinic; using it is always your choice and you are never charged. How this works.

Common questions

The things everyone asks.

Are fat dissolving injections a way to lose weight?

No. They treat small, stubborn pockets of fat, such as under the chin, not large volumes. They are for fine tuning at a stable weight, not weight loss.

Is it worth going abroad for them?

Rarely. They need a course of sessions over weeks, the saving on each small session is modest, and any swelling, infection, or nerve problem is better managed by a provider you can return to.

How many sessions will I need?

Most areas need about two to four or more sessions spaced weeks apart, with the change building slowly across the course.

Do they hurt and how much downtime is there?

There is usually some stinging during treatment and swelling, bruising, and tenderness afterwards for several days. The chin in particular can swell noticeably at first.

Why are very cheap injections risky?

A very low price can mean an unregulated or unnamed product or an untrained injector, which is where infections, nerve injury, and scarring come from.

Keep reading

Where to go next.

Related guides on other non surgical treatments are in production. In the meantime you can Get Matched or browse all procedures.

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