Ever since the Ancient Times - Human have used plants in many different ways. They've been used in Health, Cleansing, Guidance, Personal Exploration and Protection. This brings us onto the Power of Smudging. In essence, smudging is the burning of herbs before spreading the smoke across your body or fanned around a particular area in order to cleanse or protect. What Herbs Do I Need? Below is a list of just some of the herbs used in the smudging world.