scelto
COSRX The Niacinamide 15 Serum 20ml

COSRX

The Niacinamide 15 Serum 20ml

Korean shelf name: 더 나이아신아마이드 15 세럼 20ml

serum · 20ml · ₩23,000

See your fit score

A questionnaire of about 3 minutes, then this product read against your skin.

See your fit score

Product reading

Key ingredients

  • Niacinamide

    나이아신아마이드

    Vitamin B3: tone, oil and barrier at once. The most common active on a Korean shelf.

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.

  1. 1

    Water

    정제수

    Gentle

    No irritation flag

  2. 2

    Pentylene Glycol

    펜틸렌글라이콜

    Gentle

    No irritation flag

  3. 3

    Niacinamide

    나이아신아마이드

    Gentle

    Vitamin B3: tone, oil and barrier at once. The most common active on a Korean shelf. No irritation flag

  4. 4

    Butylene Glycol

    부틸렌글라이콜

    Gentle

    No irritation flag

  5. 5

    Acetyl Glucosamine

    아세틸글루코사민

    Gentle

    No irritation flag

  6. 6

    1,2-Hexanediol

    Gentle

    No irritation flag

  7. 7

    Zinc PCA

    징크피씨에이

    Gentle

    No irritation flag

  8. 8

    Trehalose

    트레할로스

    Gentle

    No irritation flag

  9. 9

    Xanthan Gum

    잔탄검

    Gentle

    No irritation flag

  10. 10

    Pullulan

    풀루란

    Gentle

    No irritation flag

  11. Order on a label follows amount for the first ingredients. Further down the list, amounts are small and the order is looser.
  12. 11

    Allantoin

    알란토인

    Gentle

    No irritation flag

  13. 12

    Ethylhexylglycerin

    에칠헥실글리세린

    Gentle

    No irritation flag

  14. 13

    Sodium Phytate

    소듐파이테이트

    Gentle

    No irritation flag

  15. 14

    Citric Acid

    시트릭애씨드

    Gentle

    No irritation flag

  16. 15

    Tocopherol

    토코페롤

    Gentle

    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 score

Built together

Spotted wrong information, or know this product better than we do? Tell us.