Korean skincare is sold by volume or weight rather than by garment-style sizes. Here's how to read what's on the bottle — and how to choose when a product comes in more than one size.
How Sizes Are Written
- ml (milliliters) — liquid volume. Used for toners, essences, ampoules, serums, cleansers, and sunscreen.
- g (grams) — weight. Used for thicker textures in jars and sticks: creams, balms, and most makeup. A 50 g cream and a 50 ml cream are close in size but not identical, since weight depends on the formula.
- ea (each) — number of pieces. Sheet masks are sold as single sheets (1 ea) or in boxes (10 ea).
Typical Sizes by Product Type
The sizes you'll see most often across our catalog, with a rough guide to how long one bottle lasts. These assume once- or twice-daily use on the face — your own pace will vary.
| Product | Common sizes | Roughly lasts |
|---|---|---|
| Toner | 150–500 ml | 2–4 months |
| Essence, ampoule, serum | 30–100 ml | 2–4 months |
| Cream, moisturizer | 50–70 ml / g | 2–3 months |
| Cleanser | 100–200 ml | 2–3 months |
| Sunscreen | 40–50 ml | 4–6 weeks |
| Sheet mask | 1 ea or 10 ea box | — |
Choosing Between Two Sizes
- Trying it for the first time? Start with the smaller size — it's the cheaper way to find out whether a formula suits you.
- Already a repeat buy? The larger size is usually better value per milliliter.
- Check the open-jar period. The small jar symbol on the packaging (12M, 6M…) tells you how many months the product stays fresh once opened. If you won't finish a 500 ml toner within that window, two smaller bottles keep better. Our FAQs explain how to read Korean date markings.
- Sunscreen is the one to size up. A proper face application is about a quarter teaspoon, so a 50 ml tube goes faster than you'd expect once you're applying enough.
Traveling With Your Skincare
Most countries limit liquids in cabin baggage to 100 ml per container. The 30–50 ml sizes travel comfortably; 150 ml and above needs to go in checked luggage. Decanting into smaller bottles works in a pinch, but products keep best in their original packaging.
Still Unsure?
Every product page shows the exact size in the product title and in the SIZE selector. If you'd like a recommendation for your routine, contact us — we're happy to help.