I got an upper lip wax which left me with a really bad burn. What can I do to speed the healing process? (Photo)

I got an upper lip wax yesterday which left me with a really bad burn. It was red all day, today after applying aloe gel from an actual plant it turned brown. Is this a good sign?What can I do to speed the healing process? How long will it take to heal? Is it possible that it will scar? I will be travelling to the beach in the next two days and I'm afraid the sun might make it worse. Besides applying sunscreen, is there anything else I should do? Should I use a bandaid to cover it? Thank you!

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