PPG-15 Butyl Ether
molecular structure · PubChem
AKA: Butyl PPG-15
Synthetic
Skin Conditioner
Hair Care
Not Clean
OriginSynthesized from propylene glycol and butyl alcohol, members of the alcohol and polyether chemical families. Produced through etherification reaction, combining propylene glycol with butyl alcohol under catalytic conditions.
Polyoxypropylene (15) 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-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
1 study / 1 not irritating (CIR 300)
Eye Irritant in Testing
1 study / 1 irritating (CIR 300)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2022
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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