Leuconostoc
molecular structure · PubChem
AKA: Leuconostoc/Radish Root Ferment Filtrate
Plant-Derived Synthetic
Skin Conditioner
Clean
(Lactobacillus/Polysorbate 80 Ferment + Leuconostoc/Polysorbate 80 Ferment) Lysate Filtrate is the filtrate of a lysate of the mixture of the products obtained through the fermentation of Lactobacillus with Polysorbate 80, and through the fermentation of Leuconostoc with polysorbate 80.
CAS #
Not applicable to complex mixtures
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A naturally fermented ingredient with no traditional historical use; developed in modern skincare during the 2000s as a probiotic and fermentation-derived preservative designed to support skin microbiome balance.
Skin Types
●all-skin-types, gentle
Best For
Sensitivity
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR