20 New Beauty Launches You Need in Your Stash This Summer

What it is: Diptyque Hourglass Diffuser ($175)

Why you need it: This revamped version of the brand's home scent device features a new diffusing technique, allowing even the most delicate notes to shine. But, of course, we're particularly drawn to the elegant and intricate new design. You can choose from six different scents, including D'Oranger Fleur (Orange Blossom) seen here, and each refill lasts up to three months.