INCI by function — K-Beauty Library
All 18 inci by function guides.
Antioxidants in skincare — what they doBrightening actives in skincare — what they doChelators in skincare — what they doCleansing agents (surfactants) in skincare — what they doEmollients & occlusives in skincare — what they doEmulsifiers & stabilizers in skincare — what they doExfoliants (AHA/BHA/PHA) in skincare — what they doFragrance & essential oils in skincare — what they doHumectants in skincare — what they doOther functional ingredients in skincare — what they doPeptides in skincare — what they dopH adjusters in skincare — what they doPreservatives in skincare — what they doRetinoids & alternatives in skincare — what they doSkin-conditioning agents in skincare — what they doSolvents in skincare — what they doSoothing / calming in skincare — what they doUV filters (sunscreen) in skincare — what they do
Explore the full K-beauty hub →
✍️ Written & reviewed by the KoreaPlus Editorial team — dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording — not medical advice. Always patch-test new actives. © KoreaPlus.