SLS and SLES are dangerous
Mercola.com reports that SLS and SLES are often contaminated with 1,4 dioxane, a byproduct of the manufacturing process that is "possibly carcinogenic to humans," and may also cause negatives effects in the kidneys, liver and central nervous system, according to the National Institute for Occupational Safety and Health.
At the Healing Blue Lotus we never uses SLS and SLES. :)