Saccharomyces Ferment Filtrate: what it is in skincare
⚡ Quick answer: A yeast ferment that hydrates and helps skin look more even, soft, and conditioned.
A yeast ferment that hydrates and helps skin look more even, soft, and conditioned.
What it does
Function: skin-conditioning. Skin-conditioning agents improve how skin looks and feels — versatile multitaskers found across toners, essences and creams.
How to spot it on a label
On a Korean product's INCI list, look for Saccharomyces Ferment Filtrate. Ingredients are listed high-to-low by amount, so its position hints at how much is in the formula. See all skin-conditioning agents →
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.