Fat dissolving injections in Tokyo

Fat dissolving injections, also called injectable lipolysis, place a solution into a small pocket of fat to break down fat cells gradually over several weeks. In Japan the most common product is BNLS Neo, a plant based formula that combines a fat acting ingredient with anti inflammatory components, designed for small areas and a gentler swelling profile. Imported deoxycholic acid products such as Kybella or Belkyra are also used by some clinics.

The treatment is best understood as contouring, not slimming. It targets defined areas like a soft under chin, the jowl area, or a small pocket on the cheeks. It works gradually and usually needs a course, with results building between sessions rather than appearing at once.

It suits people close to their stable weight who have a localised pocket that diet and exercise do not shift. It does not suit anyone hoping to lose weight overall, treat loose skin, or change a large area, where it is the wrong tool. A careful clinic in Tokyo will assess whether your concern is actually fat, or whether skin laxity or bone structure is the real driver, and will say so honestly.

Tokyo clinics usually price by the vial. As a June 2026 guide, a single BNLS Neo vial commonly runs about 4,400 to 11,000 yen. A small area such as under the chin often needs one to three vials per session and a course of three to six sessions, so a full under chin plan can land somewhere around 40,000 to 180,000 yen in total. An imported deoxycholic acid session such as Kybella or Belkyra is often higher, around 66,000 to 132,000 yen per session, with a full course higher again.

Price is driven by the product, the number of vials each session, how many sessions you need, and the clinic. Consultation fees of a few thousand yen may apply. Because the cost is cumulative across a course, ask for an estimate of the whole plan, not just one vial, and confirm what each session includes. Treat all figures here as indicative ranges to be confirmed with the clinic, never as fixed quotes.

Expect swelling, tenderness, redness and sometimes firmness or bruising in the treated area, which can last several days and is often most noticeable after the first session. Under the chin in particular can swell visibly for a few days, so plan around social and work commitments.

Less common risks include lumps or unevenness, prolonged swelling, numbness, and with deeper or larger treatments the rare risk of nerve irritation affecting the smile, which is why an experienced injector and conservative dosing matter. Results are gradual and vary between people, and they are never guaranteed. A reputable Tokyo clinic will under treat rather than over treat, review you between sessions, and tell you if you are not a good candidate rather than selling you a course anyway.

This is a medical injection that should be carried out by a licensed physician in a registered clinic. Look for a doctor who maps the area carefully, doses conservatively, and is honest that it is for small pockets only.

A good consultation assesses whether your concern is genuinely fat, explains the product and the likely number of sessions, sets out the full cost, and covers how swelling will be managed. Ask how many vials they expect to use, how they handle the under chin nerve risk, and what aftercare involves. Red flags include claims that it replaces weight loss or surgery, pressure to buy a large package immediately, vague product information, and any guaranteed result. If you need English, ask about language support, as several Tokyo clinics provide it.