murphyCapryloyl Keratin Amino Acids
molecular structure · PubChem
AKA: Acylated Keratin Peptides
Synthetic
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Acid
Not Clean
Origin-Derived (wool/feathers) or Plant-Derived
Amino acids, keratin, reaction products with octanoyl chloride
CAS #
161133-65-9
Form
Powder
Skin Types
●all-skin-types
Best For
Rough Texture
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Reduces Static
Removes Impurities
Conditions Hair
Cleansing Surfactant
Fights Bacteria
Reduces Inflammation
Locks In Moisture
Removes dirt and impurities
Lifts away dirt and oil
Reduces flyaways
Softens and detangles hair
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR