Hydrolyzed Oxidized Keratin
molecular structure · PubChem
AKA: Oxidized Keratin Hydrolysate, Hydrolyzed Oxidized Keratin Protein
Synthetic
Skin Conditioner
Hair Care
Not Clean
Hydrolyzed Oxidized Keratin is the hydrolysate of Oxidized Keratin obtained by acid, enzyme or other method of hydrolysis
CAS #
-
Form
Liquid
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
Traditional Use
Keratin protein was first identified and isolated in the 19th century. The hydrolyzed and oxidized forms were developed in the 20th century specifically for cosmetics to provide hair and skin conditioning without traditional historical use.
Skin Types
●all-skin-types
Best For
Dryness
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