Octoxynol-33
AKA “Octoxynol-33, Polyoxyethylene Octyl Phenol
Synthetic
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Ingredient Facts
Octoxynol-33
AKA: Polyoxyethylene Octyl Phenol
Synthetic · Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleansing agent that removes makeup and impurities while helping blend oil and water-based ingredients together in formulas.
CAS #
9002-93-1
Plant-Derived
Synthetic. Derived from fatty alcohols and ethylene oxide, belonging to the nonionic surfactant chemical family. Synthesized through ethoxylation of octylphenol, adding ethylene oxide units to create the polyethoxylated compound.
Function
Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Removes Impurities
Cleansing Surfactant
Emulsifier
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Mixes Oil & Water
Traditional Use
A synthetic nonionic surfactant created through ethoxylation of octylphenol. Used in cosmetics as an emulsifier and solubilizing agent for fragrance and active ingredients.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Mild Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR