How to get rid of cat scratch marks and dark marks on my leg?

. I'm a girl and very self conscious about my arms and legs, it's so horrible having scratch marks all over your body. I want to have beautiful arms and legs like other girls. If I knew I had sensitive skin I wouldn't even let my cat scratch me up so bad. Is any kind of cream or gel I could use for my scars that I can buy in Walmart. i've been using cocoa butters since January and it's not helping me tone my scars.