Octyldodeceth-30
molecular structure · PubChem
AKA: PEG-30 octyl dodecyl ether, Octyldodecanol ethoxylate, UNKNOWN
Synthetic
Cleanser
Not Clean
Poly(oxy-1,2-ethanediyl),.alpha.-(2-octyldodecyl)-.omega.-hydroxy-, (30 mol EO average molar ratio)
Effective at 1.6%
CAS #
32128-65-7
Form
Liquid
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing Surfactant
Removes Impurities
Traditional Use
Synthetic polyethylene glycol ether developed in the mid-20th century as a non-ionic surfactant and emulsifier for cosmetic formulations. No traditional use; created to improve stability and texture in modern skincare and cosmetic products.
EWG
4
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-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR