Glycereth-7 Diisononanoate

Glycereth-7 Diisononanoate 1
stock photograph
AKA: PEG-7 Glyceryl Ether Diisononanoate
Synthetic
Emollient
Solvent
Skin Conditioner
Not Clean
OriginDerived from glycerin and fatty acid esters, belonging to the synthetic polyol ester chemical family. Synthesized through esterification of polyethylene glycol and diisononanoic acid via catalytic reaction.
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with 1,2,3-propanetriol (1:1), diisononanoate (7 mol EO average molar ratio)
CAS #
125804-15-1
Form
Liquid
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · 2009 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR