Sodium Caseinate
AKA: Milk Protein
Synthetic
Skin Conditioner
Hair Care
Clean
Caseins, sodium complexes
CAS #
9005-46-3
Form
Powder
Functions
Antistatic
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
Developed from casein, a milk protein known since ancient times. Casein was used in traditional adhesives and paints; sodium caseinate was created in the 20th century for use in cosmetics as a binder and emulsifier.
Skin Types
●all-skin-types
Best For
General
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