murphyPEG-12 Glyceryl Dimyristate
molecular structure · PubChem
AKA: Polyethylene Glycol 12 Glyceryl Dimyristate, Emulsifier
Synthetic
Skin Conditioner
Clean
OriginDerived from glycerin and myristic acid (a saturated fatty acid), combined with polyethylene glycol. Produced through esterification of glycerin with myristic acid, followed by ethoxylation with ethylene oxide.
Poly(oxy-1,2-ethanediyl), .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris-.omega.-hydroxy-, ditetradecanoate (12 mol EO average molar ratio)
CAS #
59070-56-3
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
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
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 841)
Concentration Guide
Leave-on0.7–1.8%
Rinse-offNot reported
0%50%100%
CIR reported use · report published 2022
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR