Palmitoyl Keratin Amino Acids

AKA: Keratin Amino Acid Derivative

Synthetic

Cleanser

Amino Acid

Acid

Not Clean

Origin-Derived (wool/feathers) or Plant-Derived

Amino acids, keratin, 1-oxohexadecyl derivatives

CAS #

210545-23-6; 616-91-1; 1188-37-0; 2490-97-3; 35305-74-9

Form

Powder

Skin Types

●all-skin-types

Best For

Loss of Elasticity

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.

Anti-Aging

Moisturizing

Improves Elasticity

Removes dirt and impurities

Reduces flyaways

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.

EWG

CIR

Safe as used

Pregnancy

Yes

Concentration Guide

CIR's newest survey reports no concentration of use.

CIR · report published 2017

Regulatory Status

USA✔ permitted

CANADA✔ permitted

Regulatory Agencies

Verified Jun 2026

Data: CosIng · EWG · CIR