Tea Tree (also known as Melaleuca) has a fresh, green medicinal scent. It's one of the best known essential oils around the world and often referred to as "first aid in a bottle."  Add tea tree to your natural house cleaning spray to fight germs, bacteria, viruses and mold. Diffuse into air for immune system support. Can also dab a couple of drops to help clear blemishes. Also known to help get rid of lice. Just apply a few drops with carrier oil such as sweet almond oil and rub intp scalp.