Palmitoyl Keratin Amino Acids

AKA: Keratin Amino Acid Derivative

Synthetic

Cleanser

Amino Acid

Acid

Not Clean

Amino acids, keratin, 1-oxohexadecyl derivatives

CAS #

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

Form

Powder

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

Traditional Use

A modern ingredient combining palmitic acid with amino acids derived from keratin protein. Created to enhance hair and skin conditioning by combining the binding properties of keratin with improved penetration.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

CANADA✔ permitted

Regulatory Agencies

EWG CIR FDA Health Canada

Skin Types

●all-skin-types

Best For

Loss of Elasticity

Pregnancy & Breastfeeding Safe

Yes

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