"Glass skin" is a long-running Korean skincare trend. The goal is clear, smooth, dewy skin that looks like glass. Genetics play a part, but a steady routine helps.
This guide covers: the 8 steps of the glass skin routine, a widely sold K-beauty product for each step, tips from makeup artists who work with idols, and common dermatology treatments in Seoul with prices.
The Korean Glass Skin Routine (Step by Step)
The full routine is eight steps, but most Koreans only do all eight at night. In the morning, skip the exfoliant and essence, and cleanse gently. Each step below names one widely sold K-beauty product:
- Oil Cleanser: Dissolves makeup and sunscreen. Massage for 60 seconds on dry skin before rinsing. Banila Co Clean It Zero is a widely sold Korean cleansing balm.
- Water-Based Cleanser: Removes remaining impurities. Gentle, pH-balanced formula (pH 5.5 is ideal).
- Exfoliant (2-3x/week): Chemical exfoliant (AHA/BHA) to remove dead skin cells. Skip on sensitive days.
- Toner: Hydrating toner, pat in with hands. Korean toners are hydrating, not stripping like Western ones. Klairs Supple Preparation Toner is a widely used hydrating toner.
- Essence: Light hydration that plumps the skin. Many Western routines skip this step. Sulwhasoo First Care Activating Serum is a well-known Korean luxury option.
- Serum: Target specific concerns: vitamin C for brightening, niacinamide for pores, snail mucin for repair. COSRX Advanced Snail 96 Mucin Essence is widely sold and used for texture and tone.
- Moisturizer: Seal everything in. Gel for oily skin, cream for dry. Hyaluronic acid helps hold water in the skin. Laneige Water Bank Blue Hyaluronic Cream is sold as a 72-hour hydration cream.
- Sunscreen (AM only): SPF 50+ PA++++, every morning. Many Korean sunscreens leave little white cast and are not greasy. Beauty of Joseon Relief Sun is sold widely around the world.
For more on each category, see our Korean skincare routine for beginners guide, our toners for sensitive skin, and our serum comparison (niacinamide vs vitamin C vs retinol).
Banila Co
Clean It Zero Cleansing Balm
Sherbet texture that melts makeup. Step 1 of the routine.
Sulwhasoo
First Care Activating Serum
A Korean luxury serum, used right after cleansing.
COSRX
Advanced Snail 96 Mucin Essence
Used for barrier care, texture and acne marks.
Laneige
Water Bank Blue Hyaluronic Cream
Hyaluronic acid cream for the last moisture step.
K-Pop Idol Glass Skin Tips
Tips that Korean makeup artists who work with idols often give:
- Layer thin, not thick: several thin layers of hydration work better than one thick layer. Press in, don't rub.
- Dewy cushion foundation: skip matte. K-beauty cushions like TIRTIR Mask Fit give a dewy finish.
- Highlight only a few spots: nose bridge, cheekbones and cupid's bow. Avoid forehead and chin.
- Skin prep > Makeup: a common Korean saying is 80% skincare, 20% makeup.
- Face massage: 2-3 minutes of gua sha or gentle lymphatic massage before makeup to reduce puffiness.
TIRTIR
Mask Fit Red Cushion
A cushion that spread widely online. Dewy coverage that does not cake easily.
View Product →To see which beauty brands specific idols have deals with, and the source for each deal, see the pages for Jang Wonyoung, Karina, and Jennie.
Dermatology for Glass Skin
For faster results, many Koreans combine their skincare routine with dermatology treatments. Popular glass skin treatments include:
- Skin Booster ($150-400 in Korea): hyaluronic acid injected into the skin for hydration. Results last 3-6 months.
- Laser Toning ($80-200): evens out skin tone and reduces pores. Done in packages of 5-10 sessions.
- Aqua Peel ($50-100): a cleansing and hydration facial, often booked right before an event.
- Rejuran Healer ($300-500): salmon DNA injections meant to stimulate collagen.
Planning a Seoul skincare trip? Read our Korean dermatology price guide and Seoul beauty clinic guide for tourists before booking.
Common Mistakes That Block Glass Skin
- Over-exfoliating: daily acids damage the barrier. Keep it to 2-3 times a week at most.
- Skipping sunscreen: UV damage undoes the other steps. Use SPF every morning, rain or shine.
- Using too many actives at once: retinol, AHA and vitamin C in one routine often cause irritation. Rotate them.
- Ignoring the neck and chest: extend your routine below the jawline.
