murphyHydrolyzed Casein
molecular structure · PubChem
AKA: Milk Protein Hydrolysate, Casein Hydrolysate
Synthetic
Skin Conditioner
Hair Care
Clean
Origin-Derived
Caseins, hydrolyzates. The constituent amino acids produced by the hydrolysis of caseins
CAS #
65072-00-6
Form
Powder
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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
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
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 739)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 739)
Not an Eye Irritant
1 study / 1 not irritating (CIR 739)
Concentration Guide
Leave-on0.00072–0.75%
Rinse-off0.003–0.011%
0%50%100%
CIR reported use · report published 2022
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR