Sodium Lauroyl Silk Amino Acids
AKA “Silk Amino Acid Surfactant, Silk Protein Cleanser”
Acid
Ingredient Facts
Sodium lauroyl silk amino acids
AKA: Silk Amino Acid Surfactant, Silk Protein Cleanser
Acid · Cleansing · EWG: 1
Synthetic
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Acid
Clean
Protein hydrolyzates, silk, lauroyl, sodium salts
CAS #
169590-94-7
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.
Skin 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.
Locks in moisture
Traditional Use
Modern surfactant developed in the late 20th century combining lauric acid with silk amino acids, designed to capitalize on silk's historical use in traditional Chinese skincare and its reputation for luxury and smoothing properties.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR