does Wash and Curl shampoos work on relaxed hair?

Sorry, no amount of wash and curl is going to make relax hair curly. As a matter of fact, it doesn't really work at all. All it might do is make it easier for the hair to hold a curl, if you put rolers in your hair, or use a curling iron. But what you see in the comercial is a big lie. No shampoo can make hair curly; either naturally straigth or relaxed.