The mastermind behind Ouai Wave Spray ($26) was once dubbed the most influential hairstylist by The New York Times (and stands as a low-key celebrity by all other accounts), so you know it's going to be good — but, plot twist, it's even better than good. Not only does it leave fine-to-wavy hair with lived-in waves, but it'll also make you smell like you own a yacht (even if you don't).