Diethylhexyl Sodium Sulfosuccinate
Dioctyl sodium sulfosuccinate is GRAS in the US in narrowly defined food uses (21 CFR 172.810) and is widely used as an OTC stool softener (docusate sodium). At permitted food-additive levels it is considered safe.
What it is
Also known as dioctyl sodium sulfosuccinate (DSS, docusate sodium); an anionic surfactant and wetting agent.
Permitted as a food additive in narrow uses (wetting agent in beverage mixes, sugar syrups); used pharmaceutically as a stool softener.
Why it's flagged
- laxative effect at higher doses
What regulators actually say
"Dioctyl sodium sulfosuccinate may be safely used in food in accordance with the following conditions..."
"FDA CFR Title 21 entry confirming permitted conditions of use as a food additive."
Regulatory status
United States — FDA
Permitted as direct food additive at 21 CFR 172.810 with specific uses and levels.
European Union — EFSA
Not a current EU-authorized food additive E-number; permitted as a pharmaceutical excipient.
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