Skin Conditioning
LACTOBACILLUS FERMENT FILTRATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Filtered liquid from Lactobacillus fermentation — a postbiotic rich in peptides and lactic acid. Popular in K-beauty for soothing, generally well tolerated on most skin types.
Function
Skin benefits
- Microbiome-supporting postbiotic
- Skin-soothing peptides and acids
- Mild humectant effect
- Generally well tolerated
Known concerns
- Variable composition between batches
- Limited large-scale safety studies in cosmetics
- Could trigger reactions in highly sensitive skin
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related skin conditionings
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.