What it is
Saccharomyces/Rice Ferment Filtrate is produced by fermenting rice with Saccharomyces yeast and collecting the filtered liquid, which contains amino acids, sugars, peptides, and other small metabolites. In skincare and sunscreen formulations it functions as a skin-conditioning and humectant ingredient that supports a smooth, hydrated feel. It is a popular ferment-based botanical especially in Korean and Japanese formulations.
Safety & warnings
Generally well tolerated as a ferment filtrate in cosmetic use. As with any fermentation- or plant-derived ingredient, sensitization is possible in susceptible individuals, but it is widely used and considered gentle. It is not associated with notable comedogenicity at typical use levels.
Origin & sourcing
Natural-derived; a biotechnological ingredient created by yeast (Saccharomyces) fermentation of rice, then filtered.
Questions everyone asks
What is rice ferment filtrate used for?
It is a skin-conditioning and humectant ingredient, made by fermenting rice with yeast, that helps the skin feel smooth and hydrated.
How is it made?
Rice is fermented with Saccharomyces yeast and the resulting liquid is filtered to yield the ferment filtrate.