I finally tried the Ouai leave-in conditioner, and it’s been a game changer for my dry, frizzy hair. Shop the summer beauty essential that tackles flyaways in the newest St. Bart’s scent for $30.

OUAI's leave-in not only hydrates ... it does everything — and it's only $30 for a generously sized 4.7-ounce bottle that will last you ages. A little bit goes a long way, making this hair ...

OUAI's leave-in not only hydrates ... it does everything — and it's only $30 for a generously sized 4.7-ounce bottle that will last you ages. A little bit goes a long way, making this hair ...