1) Go on the transaction, file an item not described/recieved case.

2) Open up PayPal on an app, then tell PayPal that you would like to report and unauthorised charge, normally they would follow through.
3) Click on the link, copy and paste and link that to their live chat support.
4) They might ask a few question such as when you noticed it, ALWAYS SAY for example THIS MORNING. NOT YESTERDAY. IT HAS TO BE WITHIN THAT DAY.
5) They will then password reset; give them the code.
6) After 30-60 mins they will refund the payment!