Panthenyl Ethyl Ether

Panthenyl Ethyl Ether 1
Panthenyl Ethyl Ether 2
Panthenyl Ethyl Ether 3
Panthenyl Ethyl Ether 4
AKA: 667-83-4, ORISTAR PEE, RITAPAN EE, (+)-PANTOTHENYL ETHYL ETHER, Butanamide, Pantothenyl ethyl ether
Synthetic
Skin Conditioner
B Vitamin
Vitamin
Clean
found in hair lotion; causes dermatitis; structure given in first source
Formula
C11H23NO4
Mol. Weight
233.30
CAS #
667-83-4
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.
Reduces Static
Conditions Hair
Reduces flyaways
Softens and detangles hair
Traditional Use
This CAS number corresponds to a synthetic compound with limited historical significance outside of modern cosmetic chemistry. Developed as part of 20th-century ingredient innovation for specific cosmetic functions.
EWG
1
CIR
Insufficient
Pregnancy
—
CIR Safety Findings
all-shades-safe
Mild Irritant
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
Skin Types
●all-skin-types
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory0 listings
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR