Decyltetradeceth-20
molecular structure · PubChem
AKA: Decyl Tetradecyl Ether 20EO, Emulsifier
Synthetic
Cleanser
Emulsifier
Clean
Decyltetradeceth-20 is the polyethylene glycol ether of Decyltetradecanol
Effective at 1.6%
CAS #
-
Form
Liquid
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Mixes Oil & Water
Traditional Use
A synthetic nonionic surfactant developed in the 1950s-1960s to replace traditional natural emulsifiers like beeswax and plant gums in cosmetic creams and lotions.
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.2%
3.0%
0%4%
Reported use
CIR reported use: 0.7-2 | 1-3 | 0.2-3
Regulatory Agencies
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