Ingredient
Yeast Ferment Extract
Saccharomyces Ferment
Yeast Extract Filtrate
Faex Extract
What it is
A complex ingredient produced by fermenting yeast (typically Saccharomyces cerevisiae) and extracting the resulting filtrate, which contains amino acids, peptides, vitamins, and minerals used as a skin-conditioning and hydrating agent.
How it works
Its fermentation byproducts, including small peptides, B vitamins, and mineral cofactors, are thought to support the skin's metabolic and antioxidant processes and to help bind moisture at the surface.
What it does
Humectant
Skin conditioning
Antioxidant
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.