Casein Extract
AKA “Casein extract”
Extract
Ingredient Facts
Casein extract
Extract · Hair Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Hair Care
Extract
Not Clean
Casein Extract is an extract of caseins, a complex combination produced in mammary tissue from amino acids supplied by the blood
CAS #
9000-71-9
Form
Liquid
See origin →
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
A processed form of milk protein used in early 20th-century cosmetic formulations based on traditional milk-based skincare practices. Created to isolate and concentrate casein's beneficial proteins for modern cosmetic applications.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR