Hydrolyzed Extensin

Hydrolyzed Extensin molecular structure
molecular structure · PubChem
AKA: Extensin Hydrolysate, Plant Protein Hydrolysate
Synthetic
Skin Conditioner
Hair Care
Clean
Glycoproteins (specific or class), extensins, hydrolyzates
CAS #
222400-33-1
Form
Powder
Functions
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.
Locks in moisture
Traditional Use
Extensin is a plant structural protein identified in the 20th century. The hydrolyzed form was developed for cosmetics as a plant-based protein that mimics collagen's firming and conditioning 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
Loss of Elasticity
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