How we scored it
Where it comes from
Made by ring-opening polymerization of propylene oxide onto a starter alcohol, to an average of 51 propylene oxide units. No natural-origin alternative exists.
In plain English
A synthetic ingredient made from petrochemical propylene oxide, with a longer chain than similar PPG ingredients. Used as a skin-conditioning ingredient in lotions and creams.
CosIng definition: Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy- (51 mol PO 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.
- 2PPG-51. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3PPG-51. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PPG-51