Are the Beyond the Zone products silicone free? I believe they may contain some form of silicone?
You can check all the ingredients on the Sallybeauty.com website. There might a couple but not many. Just avoid words that end in -xane, -cone, -conol and don't have PPG or PEG in front or behind it. If they have PEG or PPG (with or without a number is ok) they are water soluble cones and they will wash out with a sulfate free shampoo. Easy enough to research but not to memorize since they have lots of sub lines like the Noodle Head line for curlies. That should help.