murphyPoloxamer 105 Benzoate
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from propylene oxide and ethylene oxide homopolymers, which are petroleum-based synthetic monomers. Synthesized through sequential polymerization of these oxides followed by esterification with benzoic acid.
Methyloxirane homopolymer, diether with oxirane homopolymer, monobenzoates (22 mol EO, 16 mol PO average molar ratios)
CAS #
-
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Eye Irritant in Testing (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 366)
Skin Irritant in Testing
1 study / 1 irritating (CIR 366)
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR