Lauroyl Silk Amino Acids
AKA “Lauroyl hydrolyzed silk, Lauroyl silk peptide
Synthetic
Ingredient Facts
Lauroyl silk amino acids
AKA: Lauroyl hydrolyzed silk, Lauroyl silk peptide
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Synthetic
Clean
Lauroyl Silk Amino Acids is the product obtained by the condensation of lauric acid chloride and silk amino acids Science: Functions: Cleansing, Hair Conditioning, Surfactant - Cleansing Safety Ratings: CIR: Safe as used
CAS #
169590-94-7
Form
Powder
See origin →
Functions
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.
Surfactant Cleansing
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Strengthens Barrier
Removes dirt and impurities
Lifts away dirt and oil
Softens and detangles hair
Traditional Use
Modern cosmetic ingredient combining lauric acid with silk-derived amino acids to provide conditioning, smoothing, and protective benefits in haircare and skincare products.
Skin Types
all-skin-types
Best For
Rough Texture
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR