Results guide

InMode Forma & Mini FX Results: Timeline and What to Expect

Quick answer: InMode Forma tightens skin with radiofrequency, while Mini FX targets small fat pockets under the chin and along the jowls. Forma gives a glow after each session and builds firmness over a series. Mini FX changes appear gradually over several weeks. At Dernia Clinic Myeongdong, results are best after a series, with maintenance every 1–3 months.

Reviewed by the Dernia Clinic Myeongdong medical team · Updated October 2026
Profile of a man with a defined jawline in natural daylight
  • After each session: Warmth, glow and a slightly firmer feel
  • Contour change: Gradual over several weeks and a series
  • Sessions: A short series, spaced as your doctor advises
  • Maintenance: Every 1–3 months
  • Downtime: None
  • Best for: Mild jowls, a soft under-chin, early laxity
  • Price from: ₩129,000 per session, one area (KRW, excl. VAT)

InMode Forma and Mini FX results timeline

These are two radiofrequency applicators used on the same InMode platform. Forma heats the skin to a controlled temperature to firm it and encourage collagen. Mini FX targets small areas of fat under the chin and along the jawline. Neither is a one-session treatment. Both work by accumulating small changes over a series, which shapes the timeline below.

When Forma (skin tightening) Mini FX (small fat pockets)
Day 0 Warm, glowing skin; slight firmness Mild warmth or tenderness under the chin
Weeks 1–2 Glow fades; firmness builds with each session Little visible change yet
Weeks 4–6 Smoother skin and a crisper jawline after several sessions Under-chin fullness starts to soften
Weeks 8–12 Best result from the series Clearer contour as treated fat is cleared
Months 1–3 after the series Gradual fade without maintenance Contour holds better if weight stays stable

For how each applicator works, see our InMode Forma & Mini FX treatment page.

What improves and what doesn't

Usually improves

  • Early jowls and a softening jawline
  • Small pockets of fat under the chin
  • Skin firmness and glow
  • The definition between the jaw and neck

Usually does not change

  • A large double chin or significant weight-related fullness
  • A wide jaw caused by the masseter muscle
  • Advanced sagging or loose neck bands
  • Wrinkles from muscle movement

Factors that influence your results

  • Completing the series: the biggest factor. One session gives a glow; a series gives a contour change.
  • Cause of fullness: fat responds to Mini FX, muscle does not, and loose skin needs tightening rather than fat reduction.
  • Weight stability: weight gain can enlarge the remaining fat cells and blur the result.
  • Skin quality: firmer skin adapts better to a smaller contour.
  • Maintenance rhythm: regular top-ups keep Forma's tightening effect visible.

How to maximize and maintain your results

Because these are series treatments, think about how they fit your travel plans. If you can't stay in Seoul long enough, read what happens if you can't finish a treatment series before you book. For a stubborn under-chin pocket, your doctor may add a fat-dissolving injection, and our page on the double chin covers every option.

  • Drink plenty of water and stay active during the series.
  • Keep your weight steady to protect the contour.
  • Use sunscreen daily to protect collagen.
  • Book maintenance every one to three months once the series is complete.

Realistic expectations and when to repeat

InMode gives a gentle, cumulative refinement rather than a dramatic one-off change. It suits people who live near the clinic or visit Seoul often. If you want one session with a longer-lasting effect, compare it with focused ultrasound in Shurink Universe vs InMode, or with microwave fat reduction in Onda Lifting vs InMode. Our medical team's InMode review weighs up value, and session pricing is on the InMode price page. Prices are in Korean won (KRW), exclude 10% VAT, and are confirmed at your consultation.

Tracking your progress

Under-chin changes are much easier to see in photos than in the mirror. Take photos before your first session and after every two or three sessions.

  • Stand in the same spot with even, natural light.
  • Take profile photos with your chin level, not tucked or raised.
  • Keep your shoulders relaxed and hair tied back.
  • Note your weight at each photo, because changes affect what you see.

If your results aren't what you expected

Judge the result four to eight weeks after your last session, not after the first one. If the change is smaller than you hoped, contact Dernia with your photos. Your doctor will reassess whether fat, muscle or laxity is the main issue and may suggest a different treatment. See other results guides to compare options.

Not sure which treatment is right for you?

Tell us your concerns and your travel dates. A doctor examines your skin in person, explains your options in English, and confirms the plan and price before anything is done.

FAQ

Frequently asked questions

Straight answers from our medical team. Still unsure? Ask a doctor or browse all patient questions .

How many InMode sessions do I need?

Forma and Mini FX are designed as a series. Your doctor sets the number and spacing based on your skin and goals, then suggests maintenance every one to three months.

When will I see Mini FX results?

Fat reduction is gradual. Under-chin fullness usually starts to soften four to six weeks into a series, with a clearer contour over the following weeks.

Is one Forma session worth it?

One session gives a temporary glow and slight firmness, which can be nice before an event. Lasting tightening needs a series.

Is the fat reduction permanent?

Fat cells that the body clears are not replaced, but remaining fat cells can still grow if you gain weight. Keeping your weight stable helps the contour last.

Can I do InMode on a short trip to Seoul?

You can have a single session, but the full benefit needs a series. If you visit Seoul only once, your doctor may suggest a single-session lifting treatment instead.

Keep exploring

Related treatments, prices and guides

About the treatment

Alternatives

Concerns and planning

Plan your visit to Dernia Clinic Myeongdong

English consultations, clear prices in Korean won and treatment plans built around your time in Seoul. Tell us your dates and we will suggest a schedule that fits.

Individual results vary. Suitability, dosage and final price are confirmed by a licensed doctor at your consultation. Prices are in Korean won (KRW) and exclude 10% VAT. Medical disclaimer