In our reference data, Streptococcus Thermophilus Ferment can feed Malassezia (fungal acne).
Streptococcus Thermophilus Ferment is a probiotic-derived ingredient produced by fermenting the bacterium Streptococcus thermophilus, used in skincare for its ability to stimulate ceramide production and support the skin barrier. It also offers antioxidant and moisturizing benefits, helping improve hydration and skin resilience.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient irritation or redness | Rare | Occasionally reported on sensitive skin, usually self-limiting. |
Allergic contact dermatitis | Very rare | Possible hypersensitivity to fermentation by-products or residual proteins. |
Stinging or itching upon application | Rare | More likely in compromised or reactive skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.