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Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It?

You&I Skin Clinic Jamsil · 닥터팽의 피부 좋아지는 이야기 · March 6, 2026

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? ​ ​ ​ "Even though I lost a lot of weight, I still have double chin fat so I’m thinking about getting InMo...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: You&I Skin Clinic Jamsil

Original post date: March 6, 2026

Translated at: April 20, 2026 at 3:05 AM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 1

"Even though I lost a lot of weight, I still have double chin fat

so I’m thinking about getting InMode,

but I’m worried it might hurt."

Even when weight has clearly gone down, it’s often frustrating when double chin fat or cheek fat stubbornly remains, leaving you unsure of how to deal with it.

Because of that kind of concern, many people look into InMode.

When people search for reviews because they want to know about the pain, opinions are all over the place—some say it barely hurt, some say it was tolerable, and others say they had bruising—so it can be hard to get a clear sense of how painful it really is.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 2 Confusing..

So today, based on Jamsil InMode FX, which helps destroy fat cells, we’ll take a closer look at the principles, effects, and what kind of sensations you may feel during the treatment.

We’ve also included what kind of results you can expect when it is combined with the forma mode for skin elasticity recovery, so I hope this helps.

Jamsil InMode FX

Which areas is it effective for, and how painful is it?

  • The principles and effects of InMode (FX mode)
  • How much pain is there?
  • What happens if you do it together with forma mode?

Jamsil InMode FX

The principles and effects of InMode (FX mode)

First, let’s look at the principle behind how InMode (FX mode) destroys fat.

InMode (FX mode) is a procedure that gently suctions the skin with a handpiece while delivering radiofrequency and high-voltage energy to the fat layer.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 3 When radiofrequency and high-voltage energy act on fat cells, they create holes in the cell membrane surrounding the fat cells that are difficult to close again.

In this way, the fat cells are destroyed by causing irreversible damage so they can no longer maintain their function.

The remains of the destroyed fat cells are then gradually cleared away by the body’s immune system and expelled from the body.

That is why the FX mode is mainly used to neatly refine the lines of areas with unnecessary fat.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 4

It is also used for contour correction of body lines and for areas where localized fat is especially noticeable on the face, such as a double chin, buccal fat, and sagging cheek fat.

Because fat cells that have been destroyed cannot be restored, the effect is relatively well maintained unless you gain weight again.

Jamsil InMode FX

How much pain is there?

Now let’s talk about the pain, which people tend to disagree on.

First, it is true that InMode is among the lifting treatments using devices that causes very little pain. However, since pain sensitivity differs from person to person, it cannot simply be said to be zero.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 5

Because the procedure involves suctioning the skin, you may feel pressure. You can think of it as being similar to "the feeling of skin being sucked in" or "the feeling of cupping."

You may also feel warmth inside the skin due to the radiofrequency heat. This is less like a burning or hot sensation and more like a gentle sense of warmth.

If the skin is thin or has significant trouble, you may feel the stimulation more directly, so it is essential to assess the skin in advance and adjust the treatment intensity appropriately.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 6

After the procedure, red bruise marks may remain (depending on the individual), but this is not a side effect—it is a normal skin response.

As mentioned earlier, this is a temporary phenomenon caused by the skin being pulled during the procedure.

In most cases, it naturally disappears within a few days to 1–2 weeks, so there is no need to worry too much.

Jamsil InMode FX

What happens if you do it together with forma mode?

InMode has one more mode besides FX mode: the forma mode.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 7 To put it simply, forma mode is a procedure in which radiofrequency energy is delivered to the dermis layer while the handpiece is moved gently over the skin.

As the dermis layer is evenly warmed to around 43°C, the heat stimulation promotes the regeneration of new collagen and elastin.

That is why it is strong in improving skin elasticity and skin texture.

The sensation is also often described as feeling like a warm massage, to the point that pain is minimal.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 8

Forma mode is often done together with FX mode because doing them together helps with line refinement.

FX mode removes unnecessary fat volume and defines the contour.

When used together with forma mode, which firms up reduced skin elasticity, it can enhance the effect by creating a slimmer look while also keeping the skin firm.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 9

Today, we looked at the principles and effects of Jamsil InMode FX, the actual level of pain, and the effects of combining it with forma mode.

InMode itself is known for being relatively low in pain, but the sensation can vary depending on skin thickness and condition.

That is why, before getting the procedure, you should carefully assess your skin type, fat distribution, and degree of elasticity so that pain can be reduced and results can be improved.

For that reason, when you consult, it would be good to check carefully whether your skin analysis is done in detail and whether the treatment direction is specifically designed to fit your skin.

Thank you. This was Unni of Jamsil.^^

< How to find a good dermatology clinic in Jamsil? >

< Jamsil Unni consultation hours >

Weekdays: am 10:00 ~ pm 08:30 Saturday: am 10:00 ~ pm 05:00 (Consultations available without a lunch break)

< Directions >

Unni Clinic Jamsil Branch is

located in Lotte World Wellbeing Center.

Jamsil InMode FX: Which Areas Is It Effective For, and How Painful Is It? image 10

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