How we scored it
Ricinoleic acid (castor-oil fatty acid) esterified with pentaglycerol; both natural → 1.0
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Made by esterifying ricinoleic acid, obtained from castor oil, with pentaglycerol. No petrochemical route is used commercially.
In plain English
An emulsifier and cleansing agent made from castor oil fatty acid and glycerin, helping mix water and oil in formulas.
CosIng definition: Polyglyceryl-5 Ricinoleate is the product obtained by the reaction of Ricinoleic Acid with a glycerin polymer containing 5 glycerin units
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.
- 2POLYGLYCERYL-5 RICINOLEATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POLYGLYCERYL-5 RICINOLEATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POLYGLYCERYL-5%20RICINOLEATE