Saccharomyces Ferment Lysate Filtrate
molecular structure · PubChem
AKA: Yeast Ferment Lysate, Yeast Extract
Synthetic
Skin Conditioner
Ferment
Clean
OriginDerived from Saccharomyces cerevisiae (baker's yeast), a single-celled fungus commonly used in fermentation processes. Produced by fermenting yeast cells, then lysing them, and filtering the resulting liquid to isolate bioactive compounds.
Saccharomyces Ferment Lysate Filtrate is the filtrate of a lysate of the product obtained by the fermentation of Saccharomyces
Form
Liquid
State
Liquid
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
Lab (in vitro) test found no phototoxicity in the CIR safety assessment (CIR 842)
Not a Skin Irritant
1 study / 1 not irritating (CIR 842)
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 842)
Mixed Eye Irritation Results
1 study / 1 mixed / reactions minimal (CIR 842)
Concentration Guide
Leave-on0.0035%
Rinse-off0.0035%
0%50%100%
CIR reported use · report published 2024
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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