murphyOctoxynol-1
AKA: Triton X 100, 2315-67-5, 4-tert-Octylphenol Monoethoxylate, Triton X, Ethanol, 2-[4-(2, 4, 4-trimethylpentan-2-yl)phenoxy]ethanol
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from petrochemical sources, octoxynol-1 belongs to the alkylphenol ethoxylate chemical family. Synthesized through the ethoxylation of octylphenol with ethylene oxide under catalytic conditions.
Ethanol, 2-[4-(1,1,3,3-tetramethylbutyl)phenoxy]-
Formula
C16H26O2
Mol. Weight
250.38
CAS #
2315-67-5
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.
Cleansing Surfactant
Emulsifier
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Removes Impurities
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed4 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
6
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 291)
Not a Skin Irritant
1 study / 1 not irritating (CIR 291)
Sensitizer in Testing
1 study / 1 sensitizing (CIR 291)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · 2025 survey
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR