It's your lucky day, or, shall I say, it's your lucky two weeks, because December 19 through January 3, Dermstore is hosting its epic Last-Chance Sale featuring select offerings from the brands you

know and love (ahem, SkinCeuticals) at a whopping double discount. Translation: these products are already up to 30% off, and if you use the code EXTRA10, you get to take an extra 10% off. Yes, you read that correctly, friends!

This is the big kahuna of beauty sales, and even though you technically have until January 3 to scope out the savings, the hot ticket items (ahem, ahem, SkinCeuticals) will likely go fast, so the sooner you make your move the better. To get you started, I'm sharing my top 20 picks from the sale you definitely shouldn't sleep on, just below. Keep scrolling!