Ingredient Safety Information
Soap
Soap is one of the earliest cleaners made by humans. There is evidence that soap was being used for personal cleansing as early as 1500 B.C. Soap is actually a large class of compounds, all of which consist of molecules composed of a fatty acid bound to a metal ion. Depending on the type of soap, the length and shape of the fatty acid will vary as will the metal ion it is bound to (sodium, magnesium, calcium, etc.). Soap is readily and completely biodegradable. There are no persistent metabolites formed during biodegradation.
Soap is not toxic to aquatic organisms. Reported EC50 values for algae, fish, and Daphnia are 53.0 mg/L (Huber, 1991), 11.0 mg/L (Ontisuka et al., 1989) and 10.2 mg/L (lauric acid, P&G internal data).
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Soap is not toxic to aquatic organisms. Reported EC50 values for algae, fish, and Daphnia are 53.0 mg/L (Huber, 1991), 11.0 mg/L (Ontisuka et al., 1989) and 10.2 mg/L (lauric acid, P&G internal data).
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