Hydrolyzed Yeast Extract

Hydrolyzed Yeast Extract 1
Hydrolyzed Yeast Extract 2
Hydrolyzed Yeast Extract 3
Hydrolyzed Yeast Extract 4
Plant-Derived
Skin Conditioner
Ferment
Extract
Clean
Hydrolyzed Yeast is the hydrolysate of Yeast Extract derived by acid, enzyme or other method of hydrolysis
CAS #
227025-31-2
Form
Liquid
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
Fermented yeast extracts have traditional roots in folk remedies and skincare preparations across Asia and Europe. Modern hydrolyzed versions were developed in the 20th century to concentrate beneficial proteins and vitamins for cosmetic formulations.
EWG
1
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
Skin Types
●all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR