murphyLactobacillus Ferment
molecular structure · PubChem
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 is the product obtained from the fermentation of Lactobacillus.
CAS #
Varies by strain
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
2 studies / 2 not irritating (CIR 927)
Not an Eye Irritant
1 study / 1 not irritating (CIR 927)
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 927)
Concentration Guide
Leave-on0.000025–5.6%
Rinse-off0.0002–5.6%
0%50%100%
CIR reported use · 2025 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR