PPG-6-Decyltetradeceth-20

AKA: Polypropylene Glycol Decyltetradeceth
Synthetic
Cleanser
Emulsifier
Clean
Tetradecanol, 2-decyl-, ethoxylated, propoxylated (20 mol EO, 6 mol PO average molar ratio)
Effective at 1.62%
CAS #
-
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Developed as a synthetic emulsifier in mid-20th century cosmetic chemistry. Designed to provide superior emulsification properties in complex cosmetic formulations.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Concentration Guide
0.24%
3.0%
0%4%
Reported use
CIR reported use: 0.24-3 | 0.25-2
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-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR