Ulta 21 Days Of Beauty 2024. The ulta 21 days of beauty event is the beauty retailer's biggest sale of the year, and it's on now through sept. There is still time to shop for bestsellers 50% off now through september 19.

Ulta’s 21 days of beauty is in full swing, and it’s an excellent opportunity to stock up on everyday skincare essentials, makeup and rarely discounted tools. How does the sale work?