Sodium/TEA-Lauroyl Keratin Amino Acids

AKA: Keratin Protein
Plant-Derived
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Acid
Not Clean
Origin-Derived (wool/feathers) or Plant-Derived
Amino acids, keratin, dodecanoyl derivatives, sodium salts, 2,2',2''-nitrilotrisethanol salts
CAS #
210545-23-6; 616-91-1; 1188-37-0; 2490-97-3; 35305-74-9
Skin Types
●all-skin-types
Best For
General
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
Removes dirt and impurities
Lifts away dirt and oil
Reduces flyaways
Softens and detangles hair
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2017
Regulatory Status
USA✔ permitted
EU✔ permitted
JAPAN✔ permitted
CANADA✔ permitted
Verified Jun 2026
Data: CosIng · EWG · CIR