Galactomyces
Galactomyces Ferment Filtrate, is a holy grail for many Korean skincare lovers. Galactomyces is the main ingredient in the famous SK-II Essences, and many less expensive dupes. Galactomyces is a type of fungus, a yeast and byproduct of fermented sake.
Galactomyces helps improve product absorption and is known to have antioxidant properties. It has been shown to reduce acne, brighten, and improve sebum production in oily skin. Galactomyce stimulates the production of hyaluronic acid in epidermal cells, according to studies.