fraud taking money

i order the trail offer from dead sea beauty kit. it a rip off now they charging my card 89.95they also give you a phone number to cancel but the respond you get is go to your account and cancel but bthey never gave you account all they is your credit card and start charging for nothing the number is no good# is 1-800-717-5794. there got to be away to stop these people for scaming other honesty people .can you tell me how to stop them'