Clinique's return policy for 3 step skin care system?

Ok I really want to buy the 3 step skin care system because I have pretty bad skin and I heard it's really good from all the online reviews. I have tried proactive and it didn't do anything, my skin was unchanged! Cliniques skin care system would be $50.50 and I would have to pay all of it by myself and I'm only 15. So if I don't like the system even after I've used it, can I send it back (I'm ordering it online). Because I don't wanna whaste all that money. I have tried a ton of skin products, so I'm hoping this is the one :) thanks everyone!