Tea tree essential oil helps in reducing itching inflammation acne pimple & insect bites. It lightens scars and blemishes. Helps in removing blackheads. Tea tree essential oil also controls dandruff. As it is a strong antiseptic tea tree oil can fight fungal infections that might cause your nails to become brittle. It can also help treat yellow or discolored nails. The antibacterial properties of tea tree oil can help control underarm odour or body odour related to perspiration. It is important to understand that sweat itself doesnt smell. It is only when the secretions combine with the bacteria on the skin does it smell. Tea tree oil is believed to be a wonderful cure for bad breath given its antibacterial properties. Add a drop of the oil to toothpaste before brushing teeth. Using tea tree oil is a simple and effective way to maintain hair health. Massage the oil into scalp or even mix it with shampoo.