Lactic Acid: K-beauty ingredient guide 락틱애씨드
⏱ 1 min read
⚡ Quick answer: The AHA for people whose skin gets tight after exfoliating. Lactic acid holds water as well as loosening dead surface cells, so it tends to leave skin less parched than its sharper relatives.
The AHA for people whose skin gets tight after exfoliating. Lactic acid holds water as well as loosening dead surface cells, so it tends to leave skin less parched than its sharper relatives.
What Lactic Acid does for your skin
- Exfoliates while also acting as a humectant
- Gentler than glycolic acid at comparable strengths
Best for
🌌 Lactic Acid compatibility map
Tap any ingredient to open its guide. ━ pairs well · ┈ use with care.
⚠️ Be careful pairing with: Retinol, Retinaldehyde (Retinal), AHA (Glycolic/Lactic), BHA (Salicylic) — introduce gradually or alternate nights.
🤰 Pregnancy: Generally considered fine — confirm with your doctor. · ⏰ Use: PM
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✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed: 2026-08-23.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.