Hydrolyzed Kluyveromyces Extract

AKA: Kluyveromyces ferment, Yeast ferment extract

Plant-Derived

Skin Conditioner

Extract

Clean

OriginDerived from Kluyveromyces marxianus, a yeast species commonly cultivated through fermentation processes. Produced by enzymatic hydrolysis of yeast cell proteins and polysaccharides into smaller molecular fragments.

Hydrolyzed Kluyveromyces Extract an hydrolysate of Kluyveromyces Extract derived by acid, enzyme or other method of hydrolysis

CAS #

152923-52-9

Form

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-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed2 reviews →

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

EWG

CIR

Safe as used

Pregnancy

Yes

Concentration Guide

CIR lists it as not reported to be in use.

CIR · report published 2024

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Verified Jun 2026

Data: CosIng · EWG · CIR