Ingredients · Exfoliating acids
Lactic Acid락틱애씨드
락틱애씨드rak-tik-ae-ssi-deu
On a Korean label: 락틱애씨드 = Lactic Acid — AHA.
What it is
An AHA (alpha hydroxy acid) also used as a humectant and pH adjuster.
On a Korean label
Written 락틱애씨드.
Korean rules
- Label caution: Products with more than 0.5% AHA must carry cautions: use a sunscreen too (except rinse-off and hair products), patch-test first, and — if AHA is above 10% or the pH is below 3.5 — consult a specialist (화장품 사용할 때의 주의사항 및 알레르기 유발성분 표시에 관한 규정).
Questions
What is 락틱애씨드?
Lactic acid, an AHA.
Sources
- Korea Cosmetic Association — ingredient dictionary (대한화장품협회 성분사전)
- Regulation on cautions for use and allergen labelling (화장품 사용할 때의 주의사항 및 알레르기 유발성분 표시에 관한 규정), as listed in the KCIA dictionary
Checked 26 October 2026. Rules change — the official texts above are the final word.