Tea Tree oil is an essential oil that can be used for several purposes, including keeping skin, hair and nails healthy. In addition to it's scientifically backed benefits, tea tree oil is inexpensive and safe when used as directed. Tea tree oil is an essential oil that has many benefits for the skin. It’s an alternative to conventional treatments. Tea tree oil can be used to treat conditions and symptoms that affect skin, nails, and hair. It can also be used as a deodorant, insect repellent, or mouthwash. When used topically, tea tree oil can treat certain skin conditions or improve the overall appearance of your skin. Tea tree oil is a popular remedy.