What can you bathe in, spot-treat a pimple with, and use in a facial steamer to open up the nasal passages for better breathing? If you answered tea tree oil, you're right. But that's not all you can do with tea tree oil. From quelling dandruff to easing the itchiness of insect bites, tea tree oil can be used in a wide variety of ways — especially when it comes to cosmetics. What do you know about this multitasking essential oil? Take my quiz to find out.