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COSRX
Advanced The Vitamin C 23 Serum 20g
$28.41
$32.48
Save 13%
Curated by GlowyK
Korea-sourced
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Shipped directly from Seoul with full tracking.
Why GlowyK Chose It
Best for: Daily hydration & glow
- Sourced directly in Korea
- Carefully inspected before shipping
- Travel-friendly size
Product facts
No surprise fees — duties and import taxes are prepaid
Order support guarantee — damaged, defective, or wrong order? We'll make it right
Korea-sourced — selected for a focused GlowyK edit
Ships directly from Korea with tracking, usually 7–15 business days after dispatch
Details
Specifications
How to Use
Full Ingredients
Shipping, Guarantee & Authenticity
- Order support guarantee: If your order arrives damaged, defective, or wrong, we will issue a refund or replacement without asking you to ship it back to Korea.
- No surprise fees: All prices include import customs and taxes prepaid by us. The price at checkout is the final price you pay.
- Card checkout: Pay securely with a major credit or debit card through PayPal. A PayPal account is not required.
- Estimated delivery appears near the purchase button as a date range. Standard delivery is usually 7–15 business days after dispatch with full tracking; Express is usually 5–8 business days.
- Free Worldwide shipping on orders over $70 · $7.99 flat under.
- 100% Authentic K-Beauty: Sourced directly in Korea and carefully inspected before shipping.
Explore more: Shop all COSRX · More COSRX
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✨ At a Glance · key details from this product
Serum / Essence powered by Vitamin C
Best for: all skin
- ✔️Authentic, ships direct from Korea
- ✔️Radiance
Key ingredients
Vitamin C — radiance
ℹ️ Patch-test before first use · for external use only
[COSRX] COSRX Advanced The Vitamin C 23 Serum 20g
Discover this authentic K-Beauty product, shipped directly from Korea.
📋 Specifications
| Volume / Weight | 20g |
| Skin Type | all skin |
| Expiration Date | 24 months from the date of manufacture before opening, 2 months after opening |
| Country of Origin | korea |
| Manufacturer / Distributor | Cosmetics Manufacturer: Amore Pacific Co., Ltd. / Cosmetics Responsible Distributor: COSRX Co., Ltd. |
💡 How to Use
Since it is a two-layer formulation of oil and water to moisturize and prevent oxidation, shake lightly 1-2 times after attaching the dropper.
After washing your face, at the serum stage, drop an appropriate amount onto your face and let it absorb by rolling it with your fingertips from the inside to the outside of the face.
*If you use this product during the day, be sure to apply sunscreen together.
*Do not shake before connecting the dropper. After connecting, shake lightly 1-2 times before use.
*Refrigerated storage (3-10℃): Please use immediately after purchase and store upright in the refrigerator.
🌿 Ingredients
Purified water, ascorbic acid (23%), butylene glycol, dimethicone, panthenol, 3-O-ethyl ascorbic acid, squalane, sodium hydroxide, caffeine, sodium hyaluronate, sodium metaphosphate, adenosine, acetylglucosamine, gardenia extract, allantoin, dextrin, tocotrienol, Tocopherol, oil palm oil, arginine, niacinamide, pentylene glycol, glutathione, sunflower seed oil, methyl trimethicone, safflower seed oil, camellia seed oil, carrot extract, Spanish licorice root extract, beta-carotene
⚠️ Warnings
1. Red spots and swelling on the area of use due to direct sunlight when using or after using cosmetics.
Or, if there are any abnormal symptoms or side effects such as itching, consult a specialist.
2. Refrain from using on wounded areas, etc. 3. Precautions for storage and handling a)
Store out of reach of children b) Store away from direct sunlight
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COSRX$28.41