hi! there's lots of room for more input on this, but meanwhile, here are a bunch of previous related posts to get started on

What were early civilization's (pre 500 AD) thoughts and actions regarding sunburn? (Elaboration inside)

How did people cope with sunburn before the time of sunscreen?

What did the Conquistadors use as sunscreen when colonizing the Caribbean and Mexico?

How common was skin cancer among Caucasian farm workers before the invention of sunscreen?

What did people do to prevent sunburn before Sun Cream was produced?

How have people dealt with sunburn in the past?