Niacinamide나이아신아마이드
Korean brightening functional ingredient 미백
나이아신아마이드na-i-a-sin-a-ma-i-deu
On a Korean label: 나이아신아마이드 = Niacinamide — Vitamin B3.
What it is
A form of vitamin B3. In Korea it is one of the listed brightening ingredients for functional cosmetics, which is why so many Korean toners, serums and creams carry a 미백 (brightening) functional claim.
On a Korean label
Written 나이아신아마이드. If a product is a brightening functional cosmetic, the box also says 기능성화장품 and 미백.
Korean rules
- Korean brightening functional ingredient — Korea’s Ministry of Food and Drug Safety lists it as an active ingredient for 미백 functional cosmetics.
Questions
What is 나이아신아마이드?
Niacinamide, a form of vitamin B3.
What does 미백 기능성 mean on a niacinamide product?
The product was reviewed by, or reported to, Korea’s MFDS as a brightening functional cosmetic, and niacinamide is the active ingredient.
Sources
- Korea Cosmetic Association — ingredient dictionary (대한화장품협회 성분사전)
- Regulation on the Review of Functional Cosmetics (기능성화장품 심사에 관한 규정) — in force 16 December 2025
Checked 26 October 2026. Rules change — the official texts above are the final word.