Disodium Oleyl Phosphate
AKA “Nikkol top-o, UNII-P53GZ25O6D, Disodium oleyl phosphate [INCI], 9-Octadecen-1-ol, dihydrogen phosphate, disodium salt, RefChem:135078
Synthetic
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Ingredient Facts
Disodium oleyl phosphate
AKA: Nikkol top-o, UNII-P53GZ25O6D, Disodium oleyl phosphate [INCI], 9-Octadecen-1-ol, Dihydrogen phosphate, Disodium salt, RefChem:135078
Synthetic · Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleansing agent that removes oil and dirt while helping blend ingredients together in the formula for a smooth, effective cleanser.
Formula
C18H35Na2O4P
Mol. Weight
392.40
CAS #
94213-67-9
Form
Powder
Plant-Derived
Synthetic. Derived from oleyl alcohol and phosphoric acid, members of the synthetic surfactant chemical family. Synthesized through phosphorylation of oleyl alcohol followed by neutralization with sodium hydroxide.
Function
Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Removes Impurities
Cleansing Surfactant
Emulsifier
Antioxidant Protection
Mixes Oil & Water
Traditional Use
Created as a phosphate ester surfactant in contemporary cosmetic chemistry. Synthesized to provide mild cleansing from oleic acid-derived compounds.
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, Not a Sensitizer
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR