Gone are the days when getting your hands on cosmetics from around the world was actually something of a challenge — because now, we have Amazon. And Amazon is a makeup and skincare mecca for all things Korean beauty — after all, shipping tends to be fast and reasonable, and you can get pretty much anything you can imagine. So, what are the things you should be keeping your eye out for next time you're indulging in a little online retail therapy?

Well, luckily for all parties involved, there's a ton of great K-beauty steals you can grab. Whether it's the latest ampoule, your favorite adorable sheet mask, or even those strange, yet effective temporary brow tattoos that recently made the viral rounds, Amazon's got you covered. So, let's take a look at some of the top Korean beauty must-haves...that you don't even have to get off your couch to buy.

Image via Imaxtree

Tonymoly I'm Real Mask Sheet Pack of 11, $10.60

Elsewhere, Tonymoly sheet masks tend to go for $2 to $3 each. On Amazon, though? You can score them for less than a dollar (if you buy 11 at a time, that is).

Dr. Jart Ceramidin Cream, $33.90

Ceramides are something of a skincare superstar, due to their abilities to protect, moisturize and plump your skin. This ultra-rich product from Korean brand Dr. Jart+ packs the many benefits of ceramides into a gentle cream that'll give you the glowy complexion of your dreams.

Missha Time Revolution The First Treatment Essence, $28.48

Chances are, if you're something of a K-beauty aficionado, you've heard of Missha's cult fave essence product. It utilizes the secret powers of fermented yeast to help turn back the clock on your fine lines and dark spots.

Cosrx Acne Pimple Master Patch, 24 Pack, $5

These tiny little clear adhesives are packed with zit-busting ingredients. They're great for a lot of reasons, including the fact that they're an actual physical barrier to stop you from picking your skin. They're also great for nighttime, as they'll keep your acne treatment on your face where it belongs, instead of all over your pillow.