Korean beauty trends have blown up. You can get them to your doorstep, and trends that start there (BB cream, sheet masks, pig collagen and snail-based serums) seem to inevitably drop here. So, with the hype surrounding the eastern beauty market, this video looking at looks over the past 100 years is totally perfect (and welcome). What’s more, it focuses on North and South Korea, so you really get the whole picture. It’s fascinating, and we’re kind of partial to ’90s South Korea. What’s your favourite? Take a look at the video above.