Capryloyl Keratin Amino Acids
AKA “Capryloyl Keratin, Acylated Keratin Peptides”
Synthetic
Ingredient Facts
Capryloyl keratin amino acids
AKA: Acylated Keratin Peptides
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Synthetic
Clean
Keratin-derived conditioning agent that gently cleanses while smoothing hair and reducing frizz and static.
CAS #
161133-65-9
Form
Powder
See origin →
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
Traditional Use
Created as a modern hair and skincare ingredient by coupling caprylic acid with keratin-derived amino acids. Designed to improve protein conditioning and strengthen hair and skin barrier function.
Skin Types
●all-skin-types
Best For
Rough Texture
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: CosIng · EWG · CIR