Fat-Dissolving Injections: How It Works, Who It Suits and Recovery

Fat-dissolving injections deliver medication into areas of localized fat to support fat-cell metabolism and clearance. Treatment takes about 10–20 minutes, downtime is swelling, bruising or soreness for a few days, and gradual change over several sessions.
Medically reviewed by Dr. Lee Da-in, Medical Director, Daybeau Clinic Seomyeon · Last reviewed October 2026

What is Fat-Dissolving Injections?

Fat-dissolving injections deliver medication into areas of localized fat to support fat-cell metabolism and clearance. Ingredients and actions differ by product, so the choice depends on the area and the individual.

Common concerns

  • Double chin
  • Upper-arm fat
  • Localized belly fat
  • Inner thighs

Treatment areas: face (under-chin), upper arms, abdomen, thighs.

Key facts

  • Device / product: Fat-dissolving injectables
  • Treatment time: about 10–20 minutes
  • Anaesthesia: numbing cream or cooling if needed
  • Downtime: swelling, bruising or soreness for a few days
  • When results show: gradual change over several sessions
  • Repeat interval: usually several sessions 1–2 weeks apart

Learn more

See the Fat-Dissolving Injections procedure steps, recovery and side effects, and how it compares in Fat-Dissolving Injections vs ONDA Body Contouring.

Medical notice: every procedure can cause side effects such as swelling, bruising, redness, pain, inflammation or pigmentation, and results and their duration vary between individuals. Suitability and method are decided only after a consultation with the doctor. This page is general information, not a diagnosis. Fees follow the clinic's official non-covered fee schedule.

Frequently Asked Questions

How many fat-dissolving injection sessions are needed?

Several, depending on the area and fat volume.

How long does swelling last?

Usually a few days, depending on product and area.

Are the same injections used for face and body?

Products are chosen to suit each area.

Dr. Lee Da-in

Not sure this is the right treatment?

Send Dr. Lee's team a photo and your travel dates. We'll suggest a plan and a consultation time.

Ask on WhatsApp Call +82 51-925-7890