Psoriasis: A Guide for Travellers to Seoul

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Psoriasis is a long-term immune-mediated disease in which skin cells build up too quickly, forming raised, red or darker plaques covered with silvery-white scale. At Yaan Clinic in Gangnam, Seoul, we are an aesthetic clinic, not a dermatology specialist clinic, and we do not treat psoriasis. This guide is for travellers who live with psoriasis and want practical advice, including how it affects cosmetic treatments.

What is psoriasis?

Psoriasis is a chronic condition where the immune system speeds up skin cell turnover from weeks to days, so cells pile up as plaques. It affects people of all ages, often runs in families, and tends to flare and settle over time.

It is linked to other health conditions, including psoriatic arthritis (joint pain and stiffness), and to cardiovascular and metabolic risks, which is one reason ongoing care with a dermatologist matters.

What are the main types of psoriasis?

Plaque psoriasis is by far the most common. Other forms look quite different and may need different treatment.

Type	Appearance	Common areas
Plaque	Raised, well-defined plaques with silvery scale	Elbows, knees, scalp, lower back
Guttate	Small, drop-shaped spots, often after a throat infection	Trunk, arms, legs
Inverse	Smooth, red patches without much scale	Skin folds: armpits, groin, under breasts
Pustular	White pus-filled bumps on red skin	Palms, soles, or widespread
Nail	Pitting, discoloration, lifting nails	Fingernails and toenails

Psoriasis can occasionally affect the face, especially the hairline, eyebrows and around the ears. Eczema can look similar; see our eczema guide for comparison.

What triggers psoriasis flares?

Common triggers include stress, infections (especially strep throat), skin injury, cold dry weather, smoking, heavy alcohol use and some medicines. Travel can bring several of these together.

A key point for anyone considering cosmetic procedures is the Koebner phenomenon: in some people, new psoriasis plaques appear at sites of skin injury, such as cuts, scratches, tattoos, or potentially needle and laser sites. Not everyone with psoriasis experiences this, but it is worth discussing with your doctor before any procedure.

When should you see a dermatologist for psoriasis?

See a board-certified dermatologist if you notice new scaly plaques, if your usual treatment stops working, if psoriasis affects your sleep or daily life, or if you develop joint pain or stiffness. Seek urgent care for widespread redness over most of the body, or sudden pustules with fever.

If you need care while in Korea, look for a doctor identified as a dermatology specialist (피부과 전문의), as many clinics use the word for dermatology in their name without one. Bring a list of your medicines and doses.

How do you travel to Korea with psoriasis medicines?

Pack medicines in your carry-on, in original packaging, with a copy of your prescription or a doctor's letter, especially for injectable biologics. Check temperature-storage needs and any import rules before you fly.

• Biologic pens may need refrigeration; ask your airline and hotel in advance.
• Bring enough supply for your whole stay, plus a few extra days.
• If you take immunosuppressive medicine, ask your doctor about infection precautions while travelling.
• Check current entry information on the official K-ETA website and our entry and K-ETA guide.

Can you have cosmetic treatments if you have psoriasis?

Many people with stable psoriasis can have aesthetic treatments in areas free of plaques, but treatment is usually postponed during a flare or over active patches. Because of the Koebner phenomenon and possible medicine effects, your doctor will review your history first.

Situation	What usually happens
Stable psoriasis, treatment area clear	Treatment often possible after discussion
Active plaques in the treatment area	Treatment in that area postponed
History of Koebner reactions	Needle, microneedling or laser treatments considered very carefully
On biologics or immunosuppressants	Share details; timing may be coordinated with your dermatologist

Treatments on the face such as Botox, fillers or non-invasive skin tightening may be possible when the face is clear. Your doctor at Yaan will make the decision at consultation; none of these treat psoriasis.

How can you care for psoriasis while travelling in Seoul?

Apply thick emollients daily, avoid long hot baths, protect skin from injury and sunburn, and keep to your prescribed routine. Seoul's dry winters can make plaques worse, so moisturize more often then.

Gentle, sensible sun exposure helps some people, but sunburn can trigger new plaques, so use sunscreen on exposed areas. Rest and manage stress where you can on a busy trip. To learn about Yaan's approach to safety, see our genuine products and safety page.

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About this information: Prepared from Yaan Clinic's published treatment information. Treatments at Yaan Clinic are performed by licensed physicians — meet our doctors. Last updated: October 2026. This page is general information, not a substitute for an in-person medical consultation; suitability, dosage and results are confirmed by your doctor.