I used hair removal cream on my air and it has gone weird! HELP!?

i used hair removal cream on my arms, i applied it will my fingers, i got in the shower to wash it off, but the hair wont come off, i used Nair, and it has all stuck togethern and stuck to my skin, and if i wear my dessing gown, it sometimes tags onto it, and it hurts, like bad friction, please help, did i leave it on too long? what can i do????