Hi. My ball sack is wrinkly, scaly, pink, and itchy. However it does not itch while I am walking around during the day but it gets pretty bad at night. My guess is dry skin from jerking off with shampoos. but what about the wrinkleness? how can i stop the itching? Additionally there is some sort of line raised above the skin that starts at the top of the shaft and runs all the way down the middle of the sack. Can you explain this?

Thank you