A couple hours after shaving my head I was walking in the woods and tripped. My upper neck/lower head landed on a log, which scratched my head. There were raised red scratch marks and I don’t think they were bleeding, if they were it wasn’t a lot because when I put my hand back there, no blood was visible on my hand. My question is can scratches like this can cause permanent hair loss?
If there was no infection, the scalp should heal completely and the hair should grow out well. Deeper scratches can produce scars.