Isoceteth-20
Reviewed by Rosie · Last updated 4 Jun 2026
Mild surfactant, noted for its ability to gently cleanse with minimal disruption to skin’s barrier
At a glance
Things to be aware of
EWG Safety Score
What Is Isoceteth-20?
Isoceteth-20 is described as a mild non-ionic surfactant, which is noted for its ability to gently cleanse with minimal disruption to skin’s barrier. Manufacturers of this synthetic ingredient also tout its superior foaming properties. Isoceteth-20 can also be used to solubilize perfumes or other ingredients into water. The 2012 Cosmetic Ingredient Review assessment of isoceteth-20 concluded that it is safe. Their report surveyed personal care formulations containing up to 21% of this ingredient.
Clinical Evidence & References
Published Research
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UL Prospector (supplier info), Accessed July 2022, ePublication UL Prospector (supplier info), 2022
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UPI (supplier info), Accessed July 2022, ePublication UPI (supplier info), 2022
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International Journal of Toxicology, 2012, pages 169S-244S International Journal of Toxicology, 2012
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International Journal of Cosmetic Science, January/February 2004, pages 65-80 International Journal of Cosmetic Science, 2004
How widely it's used
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- ISOCETETH-20
- Function
- Emulsifying, Surfactant
From the Clinic
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Hydrolyzed Candida Bombicola Extract
A fermentation-derived cleanser that works to remove oil and impurities from the skin
Hydroxystearyl Glucoside
A gentle humectant and skin conditioning agent derived from plant sources
Inulin Lauryl Carbamate
A plant-derived emulsion stabiliser that helps formulations stay uniform and smooth
Isopropyl Alcohol
A volatile solvent commonly used in formulations to dissolve other ingredients and control texture
Isostearamide DEA
Used as a cleansing agent
Isostearamide Mipa
A multifunctional surfactant that stabilises formulations and reduces static charge
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