Silk Extract
AKA: Silk Protein Extract, Sericin Extract
Plant-Derived
Skin Conditioner
Extract
Not Clean
Serica Extract (EU)
CAS #
91079-16-2
Form
Liquid
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR