murphyPPG-12-Buteth-16
molecular structure · PubChem
AKA: Polypropylene Glycol Surfactant
Synthetic
Solvent
Skin Conditioner
Hair Care
Not Clean
OriginDerived from propylene glycol and butanol through polyether chemistry and synthetic alcohol synthesis. Produced through polyethylene glycol (PEG) condensation and etherification reactions with butanol compounds.
Oxirane, methyl-, polymer with oxirane, monobutyl ether
CAS #
9038-95-3
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
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.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks in moisture
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.
EWG
3
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 340)
Not a Sensitizer
1 study / 1 not sensitizing (CIR 340)
Mixed Skin Irritation Results
2 studies / 1 irritating / 1 not irritating (CIR 340 and 726)
Concentration Guide
Leave-on0.15–1%
Rinse-off0.0001–2%
0%50%100%
CIR reported use · 2015 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR