Quick summary
Fat dissolving injections break down small, stubborn pockets of fat that do not shift with diet and exercise, such as under the chin or on the flanks. Most people need a course of 2 to 4 sessions spaced a few weeks apart, with results building over the following weeks. Some swelling afterwards is normal and expected. This guide covers how they work, which areas suit them, Lemon Bottle versus Aqualyx, results, downtime, and cost in Liverpool.
Clinical tip from Catlin, Level 7 Aesthetic Practitioner
Fat dissolving injections are for small, defined pockets, not weight loss. The best results come from realistic areas like a double chin or the flanks in someone already close to their target weight. Expect swelling after treatment, particularly under the chin, where it can last several days. That swelling is normal and not the final result.
Fat dissolving injections have become a popular way to target the small, stubborn areas that resist diet and exercise. They are often searched alongside Lemon Bottle fat dissolving in Liverpool, one of the most requested versions of the treatment, but there is a lot of confusion about what they can realistically achieve.
This guide gives you the honest version: how the injections work, which areas suit them, how the main products compare, what recovery involves, and what it costs. It is based on clinical experience delivering body contouring at Derma Cosmedic in Liverpool city centre.
How Fat Dissolving Injections Work
Fat dissolving injections contain a solution that breaks down the wall of fat cells in the treated area. Once the fat cells are broken down, the body processes and clears the released contents naturally through its normal metabolic pathways over the following weeks. Because the fat cells themselves are destroyed, the reduction in the treated area is long lasting when your weight stays stable.

The treatment is delivered as a series of small injections directly into the fat, which is why it suits precise, smaller areas rather than large volumes of fat.
Which Areas Can Be Treated?
Fat dissolving injections work best on small, defined pockets of fat, most commonly:
- under the chin (a double chin)
- jowls and along the jawline
- flanks and the waistline
- stomach pockets
- inner thighs and knees
- upper arms
For larger areas, a non-needle option such as CoolSculpting fat freezing is often the better fit, and this is one of the first things assessed at consultation.

Lemon Bottle vs Aqualyx
The two most talked-about products work toward the same goal with some differences:
| Product | Notes |
|---|---|
| Lemon Bottle | Popular newer formula; often associated with less swelling for some clients |
| Aqualyx | Well-established fat dissolving treatment used across many areas |
The right product depends on the area, your skin, and your goal. A consultation will recommend the option best suited to you rather than a one-size approach.
Not sure if fat dissolving suits your area?
Book a free consultation at Derma Cosmedic, Castle Street, Liverpool. You will get an honest assessment of whether injections or another treatment suits your goal.
Does Fat Dissolving Work and What Results to Expect
Yes, for the right area and candidate. A completed course produces a visible reduction in the treated pocket of fat, and because the fat cells are destroyed rather than shrunk, the result is long lasting with a stable weight. The honest caveats: results are gradual over weeks, more than one session is usually needed, and it is a contouring treatment, not a weight-loss method.

Many clients pair fat reduction with skin tightening, since reducing fat can occasionally reveal mild skin laxity. Where that is a concern, combining treatment with HIFU skin tightening or the Lysiwave body system gives a smoother overall result.
What to Expect and Downtime
The treatment itself involves a series of small injections, usually after the area is cleaned and sometimes numbed. Afterwards, swelling is normal and expected, and is often most noticeable under the chin. You may also experience:
- swelling that can last several days, particularly under the chin
- tenderness, warmth, or firmness in the area
- mild bruising or redness that settles over a few days
These responses are part of how the treatment works and are not a sign anything is wrong. Most people continue normal activities, though it is sensible to plan treatment when a few days of visible swelling will not be a problem.
How Many Sessions and Cost in Liverpool
Most people need a course of 2 to 4 sessions spaced a few weeks apart, with the exact number depending on the area and the amount of fat. Cost depends on the area treated, the product used, and the number of sessions, and a course is usually better value than single sessions. Exact pricing is confirmed at your consultation, built around your specific area and goal.
Fat Dissolving at Derma Cosmedic, Castle Street Liverpool
Derma Cosmedic is based at 6-8 Castle Street, Liverpool L2 0NB, in the city centre. Every treatment begins with an honest consultation to confirm whether fat dissolving injections are the right route for your area, or whether an alternative would serve you better. Derma Cosmedic is also a training academy, so professionals can explore fat dissolving and other accredited training courses.

The clinic holds a 4.9-star Google rating from 89 reviews and serves patients from across Merseyside including Wirral, Southport, St Helens, and Warrington. Consultations are free, with no obligation to proceed. The NHS guidance on cosmetic procedures is a useful reminder to choose a reputable, properly trained provider.
Google Review
“Really professional and friendly clinic, staff are fantastic. I met Caroline, discussed all my options and treatments and what was right for me. The results have left me speechless. I have tried several personal trainers, diets etc and have been nowhere close to the results I see today in my body shape. I am so glad I chose this clinic. I am finally getting my confidence and body back.”
Bev Donnelly, Google Review
Book Your Free Fat Dissolving Consultation in Liverpool
Find out whether fat dissolving injections suit your area, how many sessions you would need, and the cost for your goal. No obligation. 6-8 Castle Street, Liverpool L2 0NB.
Call: 0151 203 7988 | Mon-Fri 9am-6pm, Sat 10am-4pm



