3 Fast and Easy Plans of Attack to Prevent Frizz This Summer

Dry oil is the solution again, but proceed with caution. "If your hair is fine, then it can turn into an oil slick so err on the light side. But if you have really thick hair — like Sofia Vergara's, for example — then you can be pretty liberal."

You can use the same oil you would have applied on wet hair, or to make extra sure you don't go overboard with product, you can use a spray version, like Kerastase Elixir Ultime Bi-Phase Spray Oil ($58). "Apply it like you would perfume: spritz in the air, then walk through it," says Fugate.