How we scored it
Potassium salt of castor oil fatty acids; both fragments 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 saponifying castor oil fatty acids with potassium hydroxide. No synthetic alternative route exists.
In plain English
A soft soap made from castor oil and potassium. It's used as a cleansing surfactant in washes and cleansers.
CosIng definition: fatty acids, castor oil, potassium salts
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.
- 2POTASSIUM CASTORATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3POTASSIUM CASTORATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=POTASSIUM%20CASTORATE