Hydrolyzed Oxidized Keratin

Hydrolyzed Oxidized Keratin molecular structure
molecular structure · PubChem
AKA: Oxidized Keratin Hydrolysate, Hydrolyzed Oxidized Keratin Protein
Synthetic
Skin Conditioner
Hair Care
Not Clean
Origin-Derived (wool/feathers) or Plant-Derived
Hydrolyzed Oxidized Keratin is the hydrolysate of Oxidized Keratin obtained by acid, enzyme or other method of hydrolysis
CAS #
-
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2021
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR