Tea-Dodecylbenzenesulfonate
Dodecylbenzenesulfonate salts have been CIR-reviewed; they are not toxic in single-dose oral or dermal animal tests, but at high concentrations they are severely irritating to skin and eyes (similar to other strong detergents). They are not skin sensitizers.
What it is
Triethanolamine salt of dodecylbenzenesulfonic acid; an anionic surfactant (linear alkylbenzene sulfonate, TEA salt).
Not a food ingredient. Used as a surfactant in cleaning products and cosmetics.
Why it's flagged
- skin/eye irritation at high concentrations
- potential nitrosamine formation if TEA contacts nitrosating agents
- use limits in leave-on products
What regulators actually say
"Dodecylbenzenesulfonate salts are not toxic in single-dose oral and dermal animal tests, and no systemic toxicities were observed in repeat-dose dermal animal studies."
"TEA is safe for use in cosmetic formulations designed for discontinuous, brief use followed by thorough rinsing... In products intended for prolonged contact with the skin, the concentration of TEA should not exceed 5%."
Regulatory status
United States — FDA
Not a food additive; permitted in cosmetics with concentration limits.
European Union — EFSA
Used in EU cosmetics; nitrosamine restrictions apply.
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