Lactobacillus Ferment Lysate

Plant-Derived Synthetic
Skin Conditioner
Ferment
Clean
OriginOriginally isolated from various sources, including the gut and fermented foods. Now may be derived from various sources
Lactobacillus Ferment Lysate is a lysate of the product obtained by fermentation of Lactobacillus.
CAS #
Varies by strain
Form
Liquid
Skin Types
●all-skin-types, gentle
Best For
Sensitivity
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 927)
Not a Skin Irritant
1 study / 1 not irritating (CIR 927)
Not an Eye Irritant
1 study / 1 not irritating (CIR 927)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 927)
Concentration Guide
Leave-on0.05–0.17%
Rinse-offNot reported
0%50%100%
CIR reported use · 2025 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR