I got herpes type 2, I don’t know what to do, please advise?

I got herpes type 2 I had it for a little while now but recent it got on my actual penis so I try to take care of it myself and put dettol on with a cotton swab. For 2 days I put on there 3 days in total. That place got darker and scar and the area is peeling I don’t know what to do I have a little tea tree oil I put some that around my penis but is my scars permanent and will it go back to the way it use to be . The herpes skin part almost seem gone but there scaring and will this effect my sensitive

Age: 18
Medications: Non