1. Say yes to hair serum.
Shine serums are available that have been specially formulated to give frizzy or unruly hair a sleek sheen. Find some great options at your local drugstore, beauty supply store, or hair salon. These products moisturize your hair with a light concentration of oils or silicone, says Shorter. To apply, "use a pea-sized amount to start," she advises. "Start at the bottom of your hair and work your way up, rubbing it into wet hair with your hands." It's important not to use too much serum, because it can weigh hair down, but if you feel you need more moisture, go ahead and add a bit more