Milk Protein

AKA: Milk Protein Extract
Synthetic
Skin Conditioner
Hair Care
Clean
OriginDerived from casein and whey proteins, the primary components naturally found in milk. Isolated and processed from milk through filtration, precipitation, and drying techniques to create a stable powder form.
Lactis Proteinum (EU),Proteins, Milk
CAS #
91053-68-8
Form
Powder
State
Solid
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-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.0002–0.88%
Rinse-off0.0002–0.1%
0%50%100%
CIR reported use · report published 2022
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR