
COSRX
The Niacinamide 15 Serum 20ml
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A questionnaire of about 3 minutes, then this product read against your skin.
See your fit scoreProduct reading
Key ingredients
Niacinamide
나이아신아마이드
Product reading
Worth knowing
No fragrance, essential oils or denatured alcohol on our reading of this label.
Product reading
Where this product sits
- DryOily
- SensitiveResistant
- PigmentedEven-toned
- Wrinkle-awareTight
Korean reviews
Reviews in Korea
From the Olive Young listing, checked 13 Aug 2026.
- Average rating
- 4.7 out of 5 stars
- Review count
- 1,394 reviews
These are the shop's own figures. We do not summarise the reviews here.
Formula
All ingredients
15 ingredients in label order, each with our general tag. Not a reading of your skin.
- 1Gentle
Water
정제수
No irritation flag
- 2Gentle
Pentylene Glycol
펜틸렌글라이콜
No irritation flag
- 3Gentle
Niacinamide
나이아신아마이드
Vitamin B3: tone, oil and barrier at once. The most common active on a Korean shelf. No irritation flag
- 4Gentle
Butylene Glycol
부틸렌글라이콜
No irritation flag
- 5Gentle
Acetyl Glucosamine
아세틸글루코사민
No irritation flag
- 6Gentle
1,2-Hexanediol
No irritation flag
- 7Gentle
Zinc PCA
징크피씨에이
No irritation flag
- 8Gentle
Trehalose
트레할로스
No irritation flag
- 9Gentle
Xanthan Gum
잔탄검
No irritation flag
- 10Gentle
Pullulan
풀루란
No irritation flag
- Order on a label follows amount for the first ingredients. Further down the list, amounts are small and the order is looser.
- 11Gentle
Allantoin
알란토인
No irritation flag
- 12Gentle
Ethylhexylglycerin
에칠헥실글리세린
No irritation flag
- 13Gentle
Sodium Phytate
소듐파이테이트
No irritation flag
- 14Gentle
Citric Acid
시트릭애씨드
No irritation flag
- 15Gentle
Tocopherol
토코페롤
No irritation flag
How we tag
Gentle: nothing in our dictionary flags it in general. Watch: flagged for sensitive skin, or a strong active. Not rated yet: our dictionary does not carry the name. These are our tags, not a lab score.
Similar products
Other serums on the Scelto shelf.
See your fit score
A questionnaire of about 3 minutes, then this product read against your skin.
See your fit scoreBuilt together
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