Tea tree oil, also known as melaleuca, is well-known for its powerful antiseptic properties and the ability to treat wounds, which is why it’s one of the top antibacterial essential oils. Tea tree cleanses and soothes irritated skin, and is also known to help relieve bronchitis, coughs, dandruff, herpes, wounds, warts, acne and insect bites. You can prepare an oral rinse to freshen breath. 
Add a few drops to the washing machine to freshen clothing.
Mix with coconut oil, few drops of tea tree oil and bicarbonate. Apply to underarms as a natural deodorant. 
Add 5 drops to 20 ml of carrier oil for massage.
Add 4-12 drops to a bowl of steaming water/facial steamer and inhale deeply for 5-10 minutes.
For diffusing, add 10-15 drops to a diffuser.
Add a few drops to  Coconut Oil and apply to tired, dry, or cracked feet.