Sodium Caseinate
AKA “Caseinate, Milk Protein”
Skin Conditioning
Ingredient Facts
Sodium caseinate
AKA: Milk Protein
Skin Conditioning · Antistatic · EWG: 2
Synthetic
Skin Conditioner
Hair Care
Clean
Caseins, sodium complexes
CAS #
9005-46-3
Form
Powder
See origin →
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
Safety Assessment of Bovine Milk Proteins and Protein Derivatives as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Ammonium Caseinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Calcium Caseinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Milk Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Soymilk Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
Milk Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
Potassium Caseinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium Caseinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Milk Protein
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Hydrolyzed Soymilk Protein
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Milk Protein
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Milk Protein Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Sodium Caseinate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Cow's Milk Protein Allergy.
Malik R, Kaul S
Indian journal of pediatrics, 2024
Cow's milk protein allergy.
Solinas C, Corpino M, Maccioni R, Pelosi U
The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians, 2010
Nano-encapsulation of Glabridin using enzymatically hydrolyzed sodium caseinate for improved bioavailability and functional applications.
Tariq M, Qi H, Zakirullah, Zakareya, Liang H
International journal of biological macromolecules, 2025
Verified Jun 2026
Data: CosIng · EWG · CIR