In our reference data, Saccharomyces Ferment can feed Malassezia (fungal acne).
Saccharomyces Ferment is a yeast-derived fermentation filtrate used in skincare for its content of amino acids, vitamins, minerals, and peptides that support hydration, barrier function, and a brightening or soothing effect. It is valued as a multifunctional bioactive often featured in 'ferment' or essence-type formulations.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient irritation or stinging | Uncommon | More likely on sensitive or compromised skin; usually subsides quickly. |
| Contact dermatitis / allergic sensitization | Rare | Yeast-derived components may trigger reactions in predisposed individuals. |
| Acneiform breakouts or congestion | Rare | Occasionally reported, possibly related to overall formulation rather than the ingredient itself. |
| Hypersensitivity in those with yeast allergies | Very rare | Patch testing advised for individuals with known yeast or fungal sensitivities. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.