How we scored it
Where it comes from
Made by reacting castor oil, pressed from castor beans (Ricinus communis), with 15 moles of ethylene oxide derived from petrochemical ethylene. No alternative route in common use.
In plain English
A mild cleansing and emulsifying ingredient made from castor bean oil reacted with a petroleum-derived chain to make it water-soluble.
CosIng definition: Castor oil, ethoxylated (15 mol EO average molar ratio)
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References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2PEG-15 CASTOR OIL. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3PEG-15 CASTOR OIL. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PEG-15%20CASTOR%20OIL