Before a dermatology treatment in Korea, you should receive an explanation of the procedure, its expected results and its possible side effects, and you may be asked to sign a consent form. Know which side effects are common, which are rare but serious, and which warning signs require you to contact the clinic immediately.
1. What a Consent Form Covers
- The name of the treatment and the area treated
- The expected result and the number of sessions
- Common and rare side effects
- Alternatives, including no treatment
- Aftercare instructions
2. Consent Rules in Korea
The Medical Service Act requires doctors to explain the procedure and obtain written consent for surgery, blood transfusion and general anesthesia. For other procedures, many dermatology clinics use written consent forms as standard practice. Ask for an English version and do not sign until your questions are answered.
Our board-certified dermatologist page explains how specialists assess risk before treatment.
3. Common Side Effects by Treatment
| Treatment | Common side effects | Rare but serious |
|---|---|---|
| Pigment lasers and laser toning | Redness, temporary darkening of spots | Burns, lasting pigment changes |
| Fractional lasers, microneedle RF | Redness, swelling, pinpoint marks | Infection, scarring |
| Focused ultrasound, monopolar RF | Mild redness, swelling, tenderness | Burns, temporary nerve irritation |
| Hyaluronic acid fillers | Swelling, bruising, tenderness | Vascular occlusion, infection |
| Botulinum toxin | Small bruises, mild headache | Eyelid or brow drooping |
See our dermal filler page for how injectable treatments are planned.
4. Warning Signs That Need Urgent Care
- Severe or increasing pain
- Skin turning white, blue or grey after an injection
- Blisters or open wounds
- Fever, pus or spreading redness
- Any change in vision after a facial injection
FAQ
Is a consent form required for skin treatments in Korea?
Under the Medical Service Act, doctors must explain and obtain written consent for surgery, blood transfusion and general anesthesia. Many dermatology clinics also use written consent forms for lasers, injectables and other procedures.
What side effects are common after lasers?
Redness, warmth, mild swelling and temporary darkening of pigment are common after many laser treatments. Most settle within hours to days, depending on the laser.
What side effects are common after fillers?
Swelling, tenderness and bruising at the injection site are common. Rare but serious complications include vascular occlusion, which needs urgent treatment.
When should I contact the clinic urgently?
Contact the clinic immediately if you notice severe pain, skin turning white, blue or grey, blistering, signs of infection, or vision changes after an injection.
Can I ask for the consent form in English?
Yes. Ask before treatment whether an English consent form is available, and do not sign until you understand the risks.
APGUJEONG · GANGNAM · SEOUL
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- Medical Service Act of Korea (의료법) — explanation and written consent requirements.
- American Academy of Dermatology — patient information on laser and injectable side effects.
- Korean Dermatological Association (대한피부과학회) — patient information on dermatology procedures.
This article is for general information only and is not a substitute for a medical consultation. Results and suitability vary by individual.
