Beauty has been a concern of everyone in all ages - and with ages, I meant from the early 1500 BC. During those times, people used sandpaper for microderm abrasion to exfoliate skin and smooth scars.
Much had happened from that time to now as can be seen in the infographic below. From oil, milk and even lead, people turned to them for skin care.
Funny how skin care progressed and developed through all those centuries, right? Today people get anti-aging light therapy and other technologically advanced stuff that people probably can't even imagine centuries ago.
Can you imagine what technology will be used in skin care a century from now? For sure, it will be out of this world (compared to our current technology).