Before other responses come in, you might be interested in the previous responses related to the topic in question.

Sunburn and Roman remedies for it as described by Pliny were mentioned in this thread by u/RexSueciae

Medieval remedies for the sunburn, some of ancient origins were explored in this thread by u/sunagainstgold.

Input concerning practices in ancient Egypt and medieval France can be found in this thread by u/waspocracy and u/grantimatter.

And last by not least, you might some information in my previous response to a similar question.