In our reference data, Saccharomyces Polypeptides can feed Malassezia (fungal acne).
Saccharomyces Polypeptides are yeast-derived protein fragments used in skincare for their conditioning, hydrating, and potential antioxidant and barrier-supporting effects. They are commonly found in fermented (ferment filtrate) cosmetic formulations.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation or transient redness | Uncommon | May occur in sensitive skin, generally mild and self-resolving. |
Contact allergic reaction | Rare | Allergy to yeast-derived proteins is possible in predisposed individuals. |
Stinging or itching upon application | Rare | Typically associated with compromised skin barrier. |
Acneiform breakout | Very rare | Limited anecdotal reports; not well established in research. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.