How we scored it
Where it comes from
Made by esterifying oleic acid (from vegetable or tallow fat) with sodium isethionate. Sodium isethionate itself is manufactured by reacting petrochemical ethylene oxide with sodium bisulfite.
In plain English
A mild cleansing and foaming ingredient made by combining oleic acid (from vegetable or animal fats) with isethionic acid (made from ethylene oxide). Used in gentle cleansers and shampoos.
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Structure
sodium 2-[(Z)-octadec-9-enoyl]oxyethanesulfonate
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.
- 2Sodium Oleoyl Isethionate. PubChem CID 23665570. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
- 3SODIUM OLEOYL ISETHIONATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 4SODIUM OLEOYL ISETHIONATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SODIUM%20OLEOYL%20ISETHIONATE