PPG-53 Butyl Ether

PPG-53 Butyl Ether molecular structure
molecular structure · PubChem
AKA: Polypropylene Glycol Butyl Ether
Synthetic
Skin Conditioner
Hair Care
Not Clean
OriginPPG-53 Butyl Ether belongs to the polypropylene glycol chemical family, synthesized from propylene oxide. Produced through polymerization of propylene oxide followed by butylation to attach butyl ether groups.
Polyoxypropylene (53 butyl ether
CAS #
9003-13-8
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2022
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR