Whey Protein

Whey Protein 1
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Whey Protein 2
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AKA: Milk Whey Protein, Lactalbumin
Synthetic
Skin Conditioner
Hair Care
Clean
OriginDerived from milk byproducts, whey is a protein-rich liquid separated during cheese production. Processed through microfiltration, ultrafiltration, or ion-exchange chromatography to concentrate and isolate the protein fraction.
Whey Protein is a polypeptide obtained from the fluid part of Milk after separation from curds.
CAS #
84082-51-9
Form
Powder
State
Solid
Skin Types
●all-skin-types
Best For
Loss of Elasticity
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-on0.0001–0.5%
Rinse-off0.0075–0.25%
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