Upvote:3
Like the comment says this is pretty easy to google but here's something to help you.
From https://www.racked.com/2018/4/12/17071814/acne-treatment-history
Ancient Egyptians and Greeks used honey in their treatment of acne. Celsus recommended βgalbanum and soda pounded in vinegar to the consistency of honeyβ for removing spots.
From http://www.bestacnetreatment.org/history-of-acne-and-its-treatment/
In Rome 2000 years ago, bathing in hot sulfur mineral waters was one of the few available acne treatments. Sulfur was a treatment throughout the 19th century, and still is with us.
In ancient China they used acupuncture and to herbs help with acne. The article called Acupuncture and Facial Rejuvenation has lots more information.