From self-cleaning towels to skin-tightening lasers, the beauty industry is constantly churning out innovative gadgets and treatments for a range of skin woes. And while it seems like a new launch pops up every other day, certain bestselling brands have no problem maintaining a spot on the totem pole of can’t-live-without-it-products, and Tatcha skin care is one of them.

The clean, Meghan Markle-approved brand inspired by classical Japanese beauty rituals is a consistent top-seller at Sephora, with thousands of reviews on cult-favorite products like The Water Cream moisturizer and The Rice Polish exfoliant. But buying the brand’s four-step rituals adds up fast, which is why Tatcha’s latest promotion is worth grabbing your wallet for.

From January 5 through January 12, if you spend $100 or more (that’s about two regular-priced items), you can score a “Lucky Bag” of mystery products worth over $100. Just make sure to use code LUCKY20 at checkout. The Fukubukuro Lucky Bag Event, inspired by the Japanese tradition where merchants sell mixed bags of mystery contents at discounted prices, is the perfect reason to upgrade your winter skin care routine. Sure the words lucky and mystery wouldn’t typically inspire the most confidence when it comes to luxury skin care promotions, but there’s a reason Tatcha comes up time and time again on bestsellers lists. Not sure what to add to your cart? Start with our selection of must-have products, ahead.