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| Sodium Lauryl Sulphate |
Health and Safety Information on the Chemical
Acute Toxicity
Acute toxicity data in the rat show that SLS is harmful by the oral route (LD50 1200 mg/kg bw), and data in the rabbit and guinea pig show it is harmful by the dermal route (LD50 = ~600 mg/kg bw and >1200 mg/kg bw respectively).
Irritation
SLS is a skin and eye irritant in rabbits, and skin irritation has been observed in clinical studies in humans. Indeed in the human 4-hour patch test for irritation, SLS is used at 20% as a positive control to identify substances or preparations that would be on the borderlinefor classification as irritant. SLS is also reported o irritate the respiratory tract.

