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.

Etude House Tint My Brows Gel, $7.45

Are you one of those people who can't leave the house without filling in your brows? Well, this nifty brow gel can keep your brows on fleek for literal days on end. You just apply it once, let it sit for an hour two, remove it, and you're set — even through multiple showers and face washes.