YAAN Clinic · Gangnam, Seoul, Korea Q-Switched Laser in Gangnam, Seoul, Korea

Nanosecond laser for pigment spots, tattoos and laser toning, a long-standing workhorse for brown marks. Planned in English by our physicians in Gangnam.

Book an English consultation → See all prices
  • 10–20 min Laser time
  • 0–7 days Depends on mode
  • 1–10 Sessions
  • 2–4 weeks Spots fade
  • Quote At consultation
The short answer

What is a Q-switched laser, and what does it treat?

A Q-switched laser (such as Nd:YAG 1064/532 nm) fires very short nanosecond pulses that break up pigment. At higher energy it removes spots and tattoo ink; at low energy it is used for laser toning of dull tone and melasma.

At YAAN Clinic in Gangnam, Seoul, many pigment treatments now use picosecond lasers, which are faster still. Spot and tattoo treatments are quoted at consultation.

Medically reviewed by Dr. Choi Won-Tak, Director of YAAN Clinic Updated October 2026 Meet our doctors
Honest suitability

Who Q-Switch Laser suits, and who it doesn't

We would rather tell you what you don't need. These are general guides; your doctor confirms suitability after examining you.

Often a good fit

  • Freckles, sun spots and age spots
  • Tattoo ink
  • Laser toning for dull, uneven tone
  • Some birthmarks such as Nevus of Ota
  • Post-inflammatory pigmentation

Probably not the first choice

  • Redness, where V-beam fits
  • Raised moles needing evaluation
  • Fresh tans
  • Melasma with aggressive spot settings
  • Photosensitising medication without review
How it works

Nanosecond pulses

1064 nm: deeper pigment and dark tattoo ink.

532 nm: superficial spots and red ink.

Pico vs Q-switch: pico pulses are shorter with less heat; see pico laser.

Your visit

The Q-Switch Laser procedure step by step

  1. Consultation

    In English.

  2. Numbing

    For spots or tattoos.

  3. Laser

    Treatment time depends on area.

  4. Aftercare

    Repair cream and SPF.

Recovery & results

What to expect, what to expect

  • Day 0–2

    Spots darken; redness.

  • Day 5–10

    Fine scabs fall off.

  • Week 2–4

    Lighter spots.

  • Follow-up

    Tattoos need multiple sessions 6–8 weeks apart.

Who treats you

Physician-led care in Gangnam

Every Q-Switch Laser plan at YAAN Clinic is set by a licensed physician, not a sales consultant. Our medical team has more than 14 years of experience in lifting, laser and petite procedures. See the full medical team.

Dr. Choi Won-Tak Dr. Giyong Byeon Dr. Seonggeun Hwang Dr. Dajeong Hyeon Dr. Yoonsik Sung
Medical reviewer
Dr. Choi Won-Tak
Director, YAAN Clinic
  • Master's programme, Seoul National University College of Medicine
  • Former Clinical Instructor, Seoul National University Hospital
  • Former Visiting Professor, Hanyang University College of Medicine
  • Former Academic Director of Petite Procedures, Korean Society for Laser, Dermatology and Trichology
  • Laser education instructor, Korean Association of Private Practice Physicians
For international patients

Planning Q-Switch Laser on a trip to Seoul

Book in English

Send your concerns, photos and travel dates through our consultation form or Instagram. We reply in English and confirm prices in Korean won before you arrive.

Time it around your trip

Book early in your stay so any redness or swelling settles before you fly, and leave time for a follow-up check if your doctor recommends one.

Aftercare while travelling

Follow the written aftercare you receive, wear SPF 50 daily, and ask your doctor before saunas, jjimjilbang, intense exercise or alcohol.

We are in Gangnam-gu, Seoul, on Bongeunsa-ro. See our Gangnam clinic and why patients choose YAAN.

FAQ

Q-Switch Laser questions, answered

How much does Q-switch laser cost in Seoul?
YAAN Clinic gives a written quote in won at consultation. See the full price list for related treatments.
Q-switch or pico?
Pico lasers usually clear pigment in fewer sessions with less heat.
Do the doctors speak English?
Consultations are available in English. You can send questions in advance through our consultation form.
Related treatments

Often considered with Q-Switch Laser

Pigment

Pico Toning

Melasma and tone. ₩150,000.

 Spots

Pico Laser

Targeted pigment.

 Tone

Laser Toning

Q-switched toning.

 Scars

Potenza

RF microneedling. From ₩400,000.

 Resurfacing

Fractional CO2

Deep resurfacing.

 Redness

V-Beam

Vessels and redness.

 Redness

Excel V

Vascular and pigment.

 Lifting

Titanium Lifting

Laser lifting.

 Hair

Laser Hair Removal

Smooth skin.

 Pigment

Q-Switch Laser

Tattoos and pigment.

 Resurfacing

Erbium Laser

Gentler resurfacing.

 Pores

Carbon Laser Peel

Oil and pores.

Explore by concern: Laser treatments Pigmentation Resurfacing Skin rejuvenation

YAAN Clinic · Gangnam, Seoul

Find out if Q-Switch Laser is what you need

Send your concerns and travel dates. A doctor-led plan and a clear price in won, before you book anything.

Book an English consultation → View all prices

This page is general information, not medical advice. Results vary between individuals, and side effects are possible. Suitability is decided by a physician at consultation.