Our Best Beauty Buys sweepstakes ends on Thursday, so if you haven't entered, start pinning now! You could be the lucky winner of an epic beauty prize, a basket filled to the brim with the best hair, makeup, and skincare products curated by our editors. Simply start a board on Pinterest titled "My Best Beauty Buys," pin your top five must-haves from our extensive Best Beauty Buys database, then submit your board's URL at instyle.com/bbbsweeps to enter. (Make sure the products you pin also appear in our Best Beauty Buys galleries.) On Thursday, we'll pick three contestants who will win the massive prize, so click the box below to start browsing the best products ever. Good luck!