What to Expect Before Getting Non-Surgical Slimming Injections

Fat dissolving shots have become one of Korea’s most popular non-surgical treatments for jawline slimming, chin contouring, and small body-area fat reduction. They’re quick, minimally invasive, and widely available in Seoul’s dermatology clinics.

Although they are considered safe when performed correctly, it’s important to understand the possible side effects, what’s normal, and when to be cautious—especially if you’re an international visitor planning treatments during a short trip.

This SEO-friendly guide covers everything you need to know.

Why People Choose Fat Dissolving Shots in Korea

Korean dermatology clinics use advanced formulas designed to:

• Reduce small fat pockets
• Improve jawline definition
• Slim the under-chin area
• Treat bulges (arms, abdomen, back, thighs)
• Help refine asymmetry

Treatments are popular because they’re fast, affordable, and require minimal downtime—making them ideal for tourists.

Common Side Effects of Fat Dissolving Injections

Most side effects are mild and temporary as the body metabolizes the dissolved fat.

1. Swelling (Most Common)

Swelling is normal and often lasts:

• Chin/Jawline: 2–5 days
• Body areas: 3–7 days

It may feel firm or tender but gradually softens.

2. Redness or Warmth

Mild redness is common for a few hours to a day.
This is part of the inflammatory process as the fat begins breaking down.

3. Bruising

Some people develop small or moderate bruises, especially:

• Under the chin
• On the arms
• Around the abdomen

Bruising usually fades within 3–7 days.

4. Tenderness or Soreness

Mild soreness or aching can occur when touching the treated area.
This is temporary and typically resolves within a few days.

5. Numbness or Tingling

Temporary numbness can happen as the fat layer reacts to the medication.
This resolves naturally within 1–2 weeks.

6. Firm Lumps or Nodules

Small lumps may appear during the healing process, especially in the chin area.

• They usually soften over 1–3 weeks
• Gentle massage may be recommended depending on the product used

These are normal unless they are painful or worsening.

Less Common but Possible Side Effects

1. Significant Swelling (Chipmunk Effect)

Some formulas—especially older or stronger types—may cause noticeable swelling.
It’s temporary but may last longer than expected for sensitive individuals.

2. Asymmetry

If one side responds faster than the other, mild asymmetry may appear.
This usually balances out over time or can be corrected in the next session.

3. Longer-Lasting Numbness

In rare cases, numbness may persist for several weeks.
This is usually temporary and resolves without treatment.

4. Mild Skin Irregularities

Uneven texture or soft dips can occur after aggressive fat reduction.
Korean clinics generally avoid excessive dosing to minimize this risk.

Rare Complications (But Important to Know)

These are very uncommon but worth understanding:

1. Infection

Occurs if injection sites are not properly sterilized.
Symptoms may include:

• Warmth
• Redness
• Fever
• Persistent pain

Seek immediate medical attention if this happens.

2. Allergic Reaction

Rare with modern formulas, but possible.
Symptoms include:

• Rash
• Itching
• Swelling outside the treated area

3. Nerve Irritation

Temporary nerve irritation can cause prolonged numbness or tingling.
This typically resolves on its own.

How to Minimize Side Effects in Korea

✔ Choose clinics with experienced injectors

Precision matters for safe fat dissolving.

✔ Confirm the formula

Ask if it’s steroid-free or Korean-approved.

✔ Avoid cheap, aggressive dosing

Extremely low prices often mean harsh formulas.

✔ Follow pre/post-care instructions

These may include avoiding alcohol, sauna, or strenuous exercise temporarily.

✔ Plan your schedule

Give yourself 2–5 days of buffer if you’re doing chin injections before flights or photos.

Who Should Avoid Fat Dissolving Shots?

These injections may not be suitable for:

• Pregnant or breastfeeding individuals
• People with severe allergies
• Individuals with bleeding disorders
• Those looking for major fat loss
• People with extremely loose skin (lifting may be needed instead)

Final Thoughts

Fat dissolving injections in Korea are a convenient, effective way to sculpt small areas without surgery. Most side effects—swelling, soreness, redness, or temporary numbness—are mild and expected. Understanding what’s normal helps you feel prepared and confident during your treatment journey in Seoul.