PPG-3 Methyl Ether

AKA: 2-(2-(2-methoxy-1-methyl-ethoxy)-1-methyl-ethoxy)propan-1-ol, Dowanol TPM, (2-(2-METHOXYMETHYLETHOXY)METHYLETHOXY)PROPANOL, Arcosolv TPM, [2-(2-Methoxymethylethoxy)methylethoxy]propanol, O-Methyltripropylene glycol
Synthetic
Solvent
Clean
[2-(2-methoxymethylethoxy)methylethoxy]propanol
Formula
C10H22O4
Mol. Weight
206.28
CAS #
25498-49-1, 37286-64-9
Form
Liquid
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Dissolves Ingredients
Locks In Moisture
Fights Bacteria
Dissolves other ingredients
Traditional Use
Synthetic humectant and solvent created mid-20th century as part of advances in polymer chemistry. Used in cosmetics for moisture retention and product consistency.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed3 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR