Sodium Lauroyl Silk Amino Acids

Sodium Lauroyl Silk Amino Acids 1
Sodium Lauroyl Silk Amino Acids 2
Sodium Lauroyl Silk Amino Acids 3
AKA: Silk Amino Acid Surfactant, Silk Protein Cleanser
Synthetic
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Acid
Clean
Protein hydrolyzates, silk, lauroyl, sodium salts
CAS #
169590-94-7
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR