In our reference data, Lactobacillus Ferment Filtrate can feed Malassezia (fungal acne).
Lactobacillus Ferment Filtrate is a postbiotic ingredient produced by fermenting media with Lactobacillus bacteria and removing the cells, leaving a filtrate rich in peptides, organic acids, and metabolites. It is used in skincare to support the skin barrier, provide soothing and antioxidant effects, and help balance the skin microbiome.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient irritation or stinging | Uncommon | May occur on sensitive or compromised skin, typically resolving quickly. |
| Contact allergy or sensitization | Rare | Allergic contact dermatitis is infrequently reported; patch testing advised for reactive skin. |
| Acneiform breakouts or folliculitis-like reactions | Rare | Occasionally reported, possibly related to formulation rather than the filtrate itself. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.