Ulta – Ulta 21 Days of Beauty Event 2020 live now: ulta.com/21days. The semi-annual Ulta 21 Days of Beauty Event is one of the beauty retailer’s biggest sale events of the year and runs thru Sep 19, 2020. Sephora price match here. Free Platinum & Diamond Exclusive 34 Piece Beauty Bag with $150 purchase + more sitewide GWPs below! This post may contain affiliate links. Read the full disclosure.