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Disodium Oleyl Phosphate
AKA “Nikkol top-o, UNII-P53GZ25O6D, P53GZ25O6D, Disodium oleyl phosphate [INCI], 9-Octadecen-1-ol, dihydrogen phosphate, disodium salt, (9Z)-, 61633-02-1, RefChem:135078, SCHEMBL338924, Q27286178”
Surfactant
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Ingredient Facts
Disodium oleyl phosphate
AKA: Nikkol top-o, UNII-P53GZ25O6D, P53GZ25O6D, Disodium oleyl phosphate [INCI], 9-Octadecen-1-ol, Dihydrogen phosphate, Disodium salt, (9Z)-, 61633-02-1, RefChem:135078, SCHEMBL338924, Q27286178
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Phosphoric acid, 9-octadecenyl ester, disodium salt
Formula
C18H35Na2O4P
Mol. Weight
392.40
CAS #
94213-67-9
Form
Powder
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.
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.
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
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR