Keratin Amino Acids

Keratin Amino Acids

AKA “Hydrolyzed keratin amino acids, Keratin hydrolysate, Broken down keratin”

Acid

Ingredient Facts

Keratin amino acids

AKA: Hydrolyzed keratin amino acids, Keratin hydrolysate, Broken down keratin

Acid · Antistatic · EWG: 1

Synthetic

Skin Conditioner

Hair Care

Amino Acid

Acid

Clean

Keratins, hydrolyzates

Effective at 3.0%

CAS #

156715-41-2

Form

Powder

See origin →

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

Traditional Use

Keratin was first isolated from animal hair and nails in the 19th century. Modern keratin cosmetics were developed in the 1960s-70s as hair strengthening and conditioning treatments, derived from hydrolyzed keratin proteins found naturally in the outer layer of skin and hair.