Most avoid 'cones because some cones require a sulfate to remove them.
Originally Posted by tinah
No silicone requires a sulfate for removal - http://www.naturallycurly.com/curlreading/curly-q-a/whats-the-scoop-on-silicones

Other gentle cleansers can be found here - http://www.naturallycurly.com/curlreading/curly-q-a/curlchemist-all-about-proteins