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Disodium Laureth Sulfosuccinate is permitted by the US FDA. Several countries restrict, warning-label, or have reviewed it for safety concerns. The US has more lenient additive rules than the EU, UK, Canada, and Japan, which is why this ingredient remains widely used here.
Disodium laureth sulfosuccinate is among the least irritating surfactants evaluated by the CIR. It does not penetrate the skin barrier significantly and is safe at concentrations used in cosmetics. No carcinogenic, mutagenic, or endocrine-disrupting effects have been found. It may contain trace ethylene oxide/1,4-dioxane from ethoxylation, addressed by manufacturing controls.
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