Aqualyx or fat freezing: how do you compare them?

Two different methods, not interchangeable treatments

Aqualyx injection literature describes a fat-cell-disrupting formulation. Fat freezing, also called cryolipolysis, uses a device to cool selected tissue. Different methods have different limits and risks.

Neither should be presented as treatment for obesity. Ask what change is being proposed for a local area and why that method fits your concern.

Evidence: Mlosek et al. (2020): ultrasound-guided injection lipolysis studyFDA: non-invasive body contouring technologies

Begin with the concern, then discuss the method

Begin with the area you want assessed. Fullness, loose skin and skin texture are different questions; a treatment name alone cannot tell you which option is appropriate.

The practitioner should explain alternatives and the option of no procedure. Avoid choosing solely from a before-and-after photograph or an advertised package.

Compare different risks without minimising either

Injection and cooling procedures have different risk profiles. Ask for the important complications, recovery expectations and reasons the proposed option might be unsuitable for you.

The FDA explains risks associated with body-contouring devices, including rare unwanted fat enlargement after cooling. Its US guidance is useful background, not proof that a particular device or injectable product is approved in the UK.

Questions about injection risks and safety →

Evidence: FDA: non-invasive body contouring technologies

Ask the same practical questions of both options

Compare the same practical details: the exact area, assessment, treatment time, recovery, review and total quote. A price per session, applicator or area may cover quite different scopes.

Tell the practitioner about work, exercise, travel and upcoming events. Ask for realistic planning advice, not a promise that either approach is painless or has no downtime.

• What exact product or device would be used, and for which area?
• Which personal factors would rule treatment out or change the proposal?
• What evidence supports the expected outcome, and what remains uncertain?
• What is included in the quote, and when would additional charges arise?

Keep other options, including no treatment, in the discussion

Liposuction is surgery and involves a different assessment and recovery discussion. It is not interchangeable with injections or a cooling device.

You can also choose to wait or have no treatment. Consider the likely benefit, uncertainty and full cost without pressure to select a procedure immediately.

Evidence: NHS: liposuction

A product-name check matters here

For Aqualyx, ask about the actual product proposed. Marllor’s current Aqualyx Cosmetic page specifies topical use; it does not establish injection authorisation.

Your practitioner must assess the actual product or device and proposed protocol. This comparison helps you prepare questions rather than recommending one option for your body.

Evidence: Marllor Biomedical: current Aqualyx Cosmetic product page

Your questions, answered