Seborrheic Keratosis Removal in Seoul – Diagnosis by Board-Certified Dermatologists
Seborrheic keratoses are common, harmless, waxy or "stuck-on" brown growths that appear with age on the face, chest, back and scalp. At The Heal Dermatology Sinsa Main Branch in Gangnam, Seoul, board-certified dermatologists examine each lesion to confirm it is benign and can remove them with laser, electrocautery or cryotherapy for cosmetic reasons or irritation.
Written by The Heal Dermatology medical content team · Pending review by a board-certified dermatologist · Updated October 2026
What causes seborrheic keratosis
The exact cause is not fully understood, but seborrheic keratoses become more common with age and have a strong genetic tendency. Sun exposure may play a role for lesions on the face. They are not contagious and are not caused by viruses, and they do not turn into skin cancer.
How a dermatologist diagnoses it
A dermatologist examines lesions with a dermatoscope to look for typical features. This is important because some melanomas and other skin cancers can resemble seborrheic keratosis. Any atypical or rapidly changing lesion may need a biopsy before removal. They are also distinguished from sun spots and warts.
Treatment options at The Heal Sinsa
Benign lesions can be removed by laser such as CO2 laser, electrocautery, curettage or cryotherapy. Flat, light lesions may respond to pigment laser. The method depends on size, thickness and location. Availability of specific devices varies by branch – confirm at consultation. Every plan starts with a 1:1 consultation with a Korean board-certified dermatologist and imaging-based skin analysis; you will not be pushed toward treatment you do not need. Pricing is confirmed after consultation; see pricing and payment.
Sessions, downtime & side effects
- Usually one session; larger or multiple lesions may need more
- Small scabs typically heal within 7–10 days
- Pink or lighter marks may take weeks to months to fade
- Risks include temporary pigment change and, rarely, scarring
Home care
Protect treated areas from sun during healing, keep them clean and moisturised, and let scabs fall off naturally. Avoid scratching or picking at lesions, which can cause bleeding or irritation.
When to see a doctor
See a dermatologist if a growth changes rapidly, bleeds, itches, becomes painful, has irregular colour or borders, or if many appear suddenly. These signs should be checked to exclude skin cancer.
Planning around your trip to Seoul
Scabs usually last about a week, so plan removal early in your trip; our makeup after laser guide explains when you can cover treated areas. The clinic is on the 7th floor of Sinsa Square near Sinsa Station, close to Garosu-gil (getting here), and English support is available on request (international patients).
Related
Frequently asked questions
Is seborrheic keratosis cancer?
No. Seborrheic keratoses are benign and do not become cancer. However, some skin cancers can look similar, so a dermatologist should examine any new, changing or unusual growth before it is removed.
Will seborrheic keratosis come back after removal?
A treated lesion usually does not return, but new ones commonly develop over time because of age and genetics. Periodic removal of new lesions is common for people who are prone to them.
Does insurance cover removal?
Removal for cosmetic reasons is generally not covered by insurance. Coverage rules differ by country and insurer, so check with your provider. Pricing at The Heal is confirmed after consultation.
Diagnosed by Korean board-certified dermatologists
Skin conditions that look alike often need different treatments. At The Heal Dermatology, diagnosis is made by a dermatology specialist (피부과 전문의). Why board certification matters · Meet our doctors · All conditions · Treatments
Branches: Sinsa (Main) · Jamsil · Dongdaemun · Mapo-Gongdeok
This page is general medical information and does not replace an in-person consultation.