Sodium Lauroyl Silk Amino Acids

AKA “Silk Amino Acid Surfactant, Silk Protein Cleanser”

Synthetic

Ingredient Facts

Sodium lauroyl silk amino acids

AKA: Silk Amino Acid Surfactant, Silk Protein Cleanser

Synthetic · Cleansing · EWG: 4

Plant-Derived Synthetic

Cleanser

Skin Conditioner

Hair Care

Amino Acid

Synthetic

Clean

Silk-derived cleansing agent that gently removes impurities while conditioning hair and skin. Helps reduce frizz and static for a smooth, polished finish.

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.