Spider Vein and Varicose Vein Treatment in Korea: Sclerotherapy, EVLT, and Cosmetic Vein Care

Spider veins (small visible surface veins) and varicose veins (larger bulging veins) are common cosmetic and functional concerns affecting a substantial portion of adults — particularly women, patients with prolonged standing professions, and after pregnancy. Korean dermatology and vascular practice has refined treatment options, including the LEDAS technique developed in Korea. This guide covers the practical approach.

Distinguishing the conditions

• Telangiectasias (spider veins) — small visible surface veins, often red or purple, typically on legs.
• Reticular veins — slightly larger blue-green veins, typically below skin surface.
• Varicose veins — large, bulging, often tortuous veins; may cause functional symptoms.
• Hand and facial veins — visible veins in cosmetic-concern locations.

The treatment options

Sclerotherapy

• Most common spider-vein treatment globally.
• Sclerosant solution injected directly into the vein.
• Vein walls collapse and gradually fade.
• Multiple sessions typically needed (3–5).
• 30–60 minute office procedures.
• Compression stockings worn after treatment.
• Minimal downtime.

Foam sclerotherapy

• Sclerosant solution mixed with air to create foam.
• Better contact with vein walls.
• Effective for larger veins than liquid sclerotherapy.
• Often combined with ultrasound guidance.

Endovenous laser therapy (EVLT)

• Minimally invasive treatment for larger varicose veins.
• Small access incision; laser fiber inserted into vein.
• Heat closes the vein from inside.
• Treated vein gradually absorbed by body.
• 30–60 minute office procedure.
• Local anesthesia; no general anesthesia required.
• Same-day return to walking.

Radiofrequency ablation (RFA)

• Similar mechanism to EVLT but using RF energy instead of laser.
• Comparable outcomes; clinic preference varies.

Surface laser therapy

• Non-invasive laser treatment for very small spider veins.
• Useful for facial veins where injection is challenging.
• Typically combined with sclerotherapy for legs.

Vein stripping (surgical)

• Older surgical approach for severe varicose veins.
• Largely replaced by endovenous techniques.
• Reserved for specific cases now.

The Korean LEDAS approach

LEDAS (Laser Endovenous Duplex-guided Ablation Sclerotherapy) is a Korean-developed technique introduced in 2008:

• Combines endovenous laser and ultrasound-guided sclerotherapy.
• Comprehensive single-session approach for many cases.
• No general anesthesia required.
• Designed for low recurrence rates.
• Specialized clinics in Korea offer this technique.

Treatment areas

• Lower legs (most common) — calves, ankles, behind knees.
• Thighs — both inner and outer.
• Hands — cosmetic vein prominence, often combined with hand rejuvenation.
• Face (rosacea-related) — addressed by V-Beam laser typically.
• Chest and shoulders — less common but treatable.

What to expect from treatment

• Immediate visual change limited; treated veins fade over weeks.
• Bruising at injection sites for 1–2 weeks.
• Pigmentation changes possible (typically temporary).
• Multiple sessions for complete clearance.
• Some recurrence over years is common — maintenance treatments may be needed.

Functional vs. cosmetic considerations

• Functional symptoms: aching, heaviness, swelling, ulceration may benefit from medical treatment regardless of cosmetic concern.
• Cosmetic concern alone: typically out-of-pocket; sclerotherapy often sufficient.
• Combined indication: EVLT or LEDAS for the underlying problem; sclerotherapy for cosmetic spider veins.
• Insurance: functional varicose vein treatment may have coverage; cosmetic typically not.

Pre-treatment evaluation

• Duplex ultrasound to evaluate underlying venous anatomy.
• Identification of any saphenous vein incompetence (root cause for many varicose veins).
• Treatment of underlying problem before cosmetic spider veins recommended.
• Medical history including blood-clotting risk factors.

Recovery

• Sclerotherapy: compression stockings 1–2 weeks; bruising for 1–2 weeks; light walking immediately; avoid intense exercise 1 week.
• EVLT: compression stockings 1–2 weeks; mild aching for several days; walking encouraged immediately; full activity within 1 week.
• LEDAS: similar to combined sclerotherapy and EVLT recovery.
• Compression stockings: universally important after treatment.

Risks specific to vein treatment

• Pigmentation changes — temporary brown discoloration at treatment sites.
• Telangiectatic matting — small new spider veins in treated area.
• Allergic reaction to sclerosant.
• Deep vein thrombosis (DVT) — rare with modern techniques.
• Skin ulceration — uncommon; more likely in poor candidates.
• Recurrence — common over years; new spider veins may develop.

Who is a good candidate

• Visible spider or varicose veins with cosmetic concern.
• Functional symptoms from venous insufficiency.
• Generally healthy.
• Realistic expectations about recurrence.
• Willing to wear compression stockings during recovery.

Who should defer

• Pregnancy.
• History of DVT or pulmonary embolism.
• Active skin infection in treatment area.
• Severe cardiovascular disease.
• Allergic reaction to sclerosants.

Korean clinic landscape for vein treatment

• Specialty vein clinics — focused practices with comprehensive vein services.
• Dermatology clinics — sclerotherapy for spider veins as part of broader services.
• Plastic surgery clinics — vein treatment as cosmetic adjunct.
• Hospital-based vascular surgery — for severe cases requiring more comprehensive evaluation.

For international patients

• Most spider vein treatment requires multiple sessions over weeks.
• Single-trip treatment limited to one or two sessions.
• Continuity at home country may be needed for full course.
• Compression stockings purchased locally or in Korea.
• Plan for limited intense exercise during recovery.

What to ask in your consultation

1. Is there underlying venous insufficiency I should address first?
2. What treatment approach do you recommend for my specific veins?
3. How many sessions will I likely need?
4. What is the expected clearance, and what is recurrence risk?
5. What compression stocking protocol do you recommend?
6. What is the protocol for managing pigmentation changes?

Pricing in Korea (2026, USD)

• Sclerotherapy single session: $200–$500.
• Foam sclerotherapy: $300–$700.
• EVLT (per leg): $1,500–$4,000.
• LEDAS comprehensive: $2,000–$5,000.
• Surface laser for facial veins: $200–$500 per session.
• Multi-session packages typically discounted.

Combination with other procedures

• + Hand rejuvenation — vein treatment as part of comprehensive hand care.
• + Cellulite treatment — sometimes combined as comprehensive leg cosmetic care.
• + Body contouring — addresses both fat and vein concerns.
• + Compression therapy programs — supports treatment maintenance.

The honest framing

Spider and varicose vein treatment in Korea offers refined techniques (LEDAS, EVLT, modern sclerotherapy) at competitive pricing. The patients who achieve best results address underlying venous insufficiency, commit to multi-session treatment, wear compression stockings consistently, and accept that some recurrence over years is common. Korean dermatology and specialized vein clinics offer the full range of options; the right approach depends on the specific vein anatomy and your functional vs. cosmetic priorities. Match expectations to physiology and the result is meaningful improvement in both appearance and comfort.