Ingredient glossary / Humectant
Galactomyces ferment
On the label: Galactomyces Ferment Filtrate · Humectant
What it is
A yeast ferment used in Korean essences, with the same general makeup as the Saccharomyces kind.
Humectants: Humectants draw water into the outer layer of skin from the air and the layers below; glycerin is the classic one.
In the research
13 PubMed papers mention it with skin, cosmetics or hair; the three most recent:
- Pretreatment of keratinocytes with Galactomyces ferment filtrate (GFF) promotes stress resiliency in an in vitro oxidative stress model · International journal of cosmetic science, 2026
- Galactomyces ferment filtrate upregulates anchoring junctions and stabilizes actin to maintain the Young's modulus of skin cells in vitro · International journal of cosmetic science, 2026
- Enhancement of skin barrier function and augmentation of epidermal cell-cell interactions by galactomyces ferment filtrate · Journal of dermatological science, 2024
A paper is a paper, not a verdict: titles are listed so you can read them, and a study on cells or mice says little about a cream on a face.
Other humectants
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