If anxiety is preventing you from lighting candles, the Pura Smart Fragrance Diffuser ($45) is a brilliant alternative. Recently our Senior Content Director put it to the test and, as the name suggests, found it extraordinarily intelligent. You can customize it to your heart’s content, with the ability to seamlessly switch between two scents, adjust their intensity, schedule their runtime and even turn on the ambient light setting throughout the evening,” she explains. Read her full review of the Pura Smart Fragrance Diffuser.