I had laser hair removal treatment 1 day ago and it’s bumpy and red. How do I treat this? (photos)

I been going for a couple sessions now for my chin but there’s one side that was being stubborn so my doctor said she would put it stronger. She told me to put cortizone 10 and spf everyday and that so may have dark spots but I have not yet though so that’s good. However I was wondering if its safe to shave the area and also wear makeup? I added some pics. The dark area you see is just the hairs