Poloxamer 334
AKA “Pluronic 334, Poloxamer 334, Polyoxypropylene Polyoxyethylene Block Copolymer”
Surfactant
Ingredient Facts
Poloxamer 334
AKA: Pluronic 334, Polyoxypropylene Polyoxyethylene Block Copolymer
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Oxirane, methyl-, polymer with oxirane (31;54)
CAS #
9003-11-6
Form
Liquid
See origin →
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.
Surfactant Cleansing
Surfactant Emulsifying
Anti-Inflammatory
Antimicrobial
Strengthens Barrier
Lifts away dirt and oil
Mixes oil and water
Traditional Use
A synthetic poloxamer surfactant created in the 1950s for the cosmetics industry. Functions as an emulsifier and thickening agent in creams and lotions without historical or traditional applications.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR