Silk Extract
AKA “Silk Protein Extract, Sericin Extract
Extract
Ingredient Facts
Silk extract
AKA: Silk Protein Extract, Sericin Extract
Extract · Skin Conditioning · EWG: 4
Plant-Derived
Skin Conditioner
Extract
Not Clean
Serica Extract (EU)
CAS #
91079-16-2
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Processed form of silk proteins created to provide the skin-smoothing and moisturizing benefits known in traditional East Asian skincare, where silk has been prized for at least 2,000 years.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR