PPG-4-Ceteth-10
molecular structure · PubChem
AKA: Polypropylene Glycol-4 Ceteth-10, Emulsifier
Synthetic
Cleanser
Emulsifier
Not Clean
Oxirane, methyl-, polymer with oxirane, hexadecyl ether
CAS #
9087-53-0, 37311-01-6
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
A synthetic polypropylene glycol-based emulsifier developed in the mid-20th century for cosmetic formulations, designed to blend oil and water-based ingredients in skincare products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
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