Lactic Yeasts

AKA: Lactobacillus Yeast

Synthetic

Ferment

Not Clean

Faex (EU)

CAS #

68876-77-7

Functions

Not Reported

Locks In Moisture

Antioxidant Protection

Reduces Inflammation

Traditional Use

Lactic acid fermentation has been used in traditional food and medicine practices for thousands of years. Lactic yeasts in modern skincare are fermentation byproducts studied in the 21st century for their probiotic and skin-conditioning properties.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

medical-approval

all-shades-safe

Phototoxicity Concern

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewed1 paper →

⚖️Regulatory1 listing →

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR