A few drops of Tea Tree pack a powerful punch, and the aroma is deep, refreshing, and decongesting. Also known as melaleuca as it is derived the Melaleuca tree, a species native to Australia, it is the active ingredient in many organic and natural household products. Some people are sensitive to tea tree oil so use with caution the first time, and as it is so powerful it should be used very cautiously on open wounds to avoid stinging. Just a few drops of potent tea tree oil make a great cleanser, mouthwash, or household cleaner.