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Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet

Hongdae Dermatology Skin Clinic 弘大美丽石医院 · ✦뷰티스톤의원 합정역✦ · May 5, 2026

Hello. This is Beauty's Doctor, Wi Young-jin. When consulting about fat-dissolving injections, there is one question that comes up almost every time. Is it the same as V-Olet? What...

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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: Hongdae Dermatology Skin Clinic 弘大美丽石医院

Original post date: May 5, 2026

Translated at: May 5, 2026 at 4:46 AM

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

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 1

Hello.

This is Beauty's Doctor, Wi Young-jin.

When consulting about fat-dissolving injections, there is one question that comes up almost every time.

  • Is it the same as V-Olet?

  • What is contour injection?

  • Why is the price so different?

In the end, these questions all connect to results, longevity, and the possibility of recurrence.

From the core concepts to the actual criteria for choosing a procedure, I’ll break it down for you.

  1. Is a fat-dissolving injection the same as V-Olet?

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No, it is different.

👉 Fat-dissolving injection = concept (category)

👉 V-Olet = specific drug (product)

Fat-dissolving injections are

  • different in ingredients from one clinic to another, and

  • have different combinations depending on the purpose

👉 a very broad concept.

On the other hand, V-Olet is

  • approved by the Ministry of Food and Drug Safety

  • a single-ingredient product containing DCA (deoxycholic acid)

  • intended to destroy fat cells

👉 a standardized “fat-cell removal injection.”

  1. What is contour injection?

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 3

Contour injection is also a type of fat-dissolving injection.

However, its characteristics are different.

  • Promotes lymphatic circulation

  • Reduces swelling

  • Mild fat reduction

In other words,

it is a procedure centered on “reducing swelling and refining the line.”

That is why it is often used for

  • managing facial swelling

  • before an important event

when short-term results are desired.

  1. Key differences between fat-dissolving injections and V-Olet

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 4

This is the most important difference.

✔ General fat-dissolving injection

  • Reduces the size of fat cells

  • They can become large again

✔ V-Olet (DCA)

  • Destroys the fat cell membrane

  • Reduces the number of cells themselves

Because of this difference,

  • longevity

  • recurrence risk

  • strength of effect

all differ.

👉 Recently, this DCA ingredient has become a key technology in localized fat treatment.

  1. Why there is a price difference

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 5

Price is not simply a matter of

“expensive / cheap.”

The structure is different.

✔ V-Olet

  • Finished pharmaceutical product from a drug company

  • Consistent concentration

  • Genuine-product management

👉 The unit cost is inevitably higher.

✔ General dissolution injection / Double Slim injection

  • Mixed directly by the clinic

  • Ingredients and concentrations vary

👉 The price is relatively more variable.

In addition, in practice,

  • treatment area

  • dosage (Unit)

  • number of sessions

👉 these three factors create large differences in cost.

  1. How much does it hurt?

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✔ General fat-dissolving injection

  • A stinging sensation during the injection

  • You can return to daily life immediately

✔ V-Olet

  • Heavy pain after the procedure

  • Swelling and tenderness for 2 to 5 days

In particular, in the double-chin area,

swelling can be noticeably visible.

However, this reaction is

👉 a normal inflammatory response that appears as the fat cells are actually destroyed.

  1. Does it work for a square jaw concern?

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 7

The most important point is the “cause.”

✔ Muscle-type square jaw

→ Botox

✔ Fat-type jawline

→ Fat-dissolving injection

✔ Mixed type

→ Botox + fat-dissolving injection together

In fact, mixed type cases are the most common.

That is why satisfaction is often highest when the two procedures are done together.

  1. Can I exercise after the procedure?

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 8

Yes, you can.

✔ Light exercise

→ Increases blood circulation

→ Helps fat elimination

✔ High-intensity exercise

→ Limit for about 2 to 3 days

Also, an important point

👉 Hydration

Increase your daily water intake

→ Helps lymphatic circulation

→ Promotes fat elimination

  1. Is there a rebound effect?

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 9

✔ General fat-dissolving injection

→ Rebound is possible

(only the cell size is reduced)

✔ V-Olet

→ Rebound is less likely

(the number of cells is reduced)

However, if overall body weight increases,

fat may accumulate in other areas.

In other words, the treated area is maintained, but the body as a whole still needs management.

  1. Can it be done during menstruation?

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 10

Yes, it can.

However,

  • Pain sensitivity increases

  • Bruising occurs more easily

  • Swelling increases

If you have an important schedule, it is better to adjust the timing.

  1. Why is steroid mentioned?

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 11

Some fat-dissolving injections may contain steroids.

✔ Advantages

  • Reduces inflammation

  • Quickly refines the line

✔ Disadvantages

  • Skin indentation

  • Hormonal effects

  • Side effects with repeated use

In particular, for facial procedures, long-term risks are more important.

👉 If possible, choosing ingredients without steroids is recommended.

  1. How many sessions are needed to see results?

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 12

Usually,

  • at 2 to 3 week intervals

  • 3 to 5 sessions or more

At this stage, you can feel a change in the line.

However, in practice, it depends on the amount of fat.

  • Double chin → 2 to 4 sessions

  • Cheek fat → 3 to 5 sessions

  • Abdomen / thighs → 5 sessions or more

👉 A customized approach by area is needed.

  1. Differences in effect by area

Fat-Dissolving Injection Effects: How Many Sessions Are Needed? A Comparison With V-Olet image 13

✔ Face

→ Fast response

→ Line changes are felt quickly

✔ Upper arms

→ Tends to show relatively good results

✔ Abdomen / thighs

→ Thicker fat layer

→ Repeated procedures needed

In particular, the lower body contains a lot of fibrous tissue, so the response tends to be slower.

  1. Side effects and precautions

Common symptoms

  • Bruising

  • Swelling

  • Pain

  • Temporary firmness

Rarely

  • Skin indentation

  • Inflammation

  • Allergic reaction

Precautions

  • Drink plenty of water

  • Avoid alcohol / saunas for 1 week

  • Do not massage strongly

  • Avoid pressing on the treated area

In particular, you need to manage the process of “breaking down → eliminating” for good results.

  1. Which procedure should be chosen in which case?

These are based on actual consultation standards.

✔ Swelling + light line refinement

→ Contour injection

✔ Fat reduction in a small area

→ General fat-dissolving injection

✔ Clear fat removal (double chin, etc.)

→ V-Olet

If you choose based on this standard, you can reduce unnecessary repeated procedures.

A fat-dissolving injection is not simply a procedure that “removes” fat, but a process of choosing how to reduce fat.

  • Size reduction vs. cell removal

  • Short-term vs. lasting effects

👉 Understanding and choosing based on this difference determines the outcome.

Thank you for reading this long post.

This was Wi Young-jin.

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