Fermented essence (yeast filtrate)
Galactomyces Ferment Filtrate (Pitera)
INCI: Galactomyces Ferment Filtrate·Limited evidence
A yeast-ferment filtrate, the Pitera in SK-II style essences, used at very high percentages for the appearance of a brighter, smoother-looking complexion. It is a ferment blend rich in amino acids and vitamins rather than a single active.
Studied for
- ·The appearance of a brighter, more refined-looking complexion
- ·The look of smoother, more even-toned skin
How it’s thought to work
Studied for surface conditioning and the look of a smoother, more radiant complexion; the effect is credited to the ferment blend, and much of the strongest data is brand-led.