Created from powdered eggshell, Cascarilla is wonderful for use in protection, purification & cleansing rituals as it is a potent repellent of negative energies and a purifier of space. The most popular technique is to use it to draw sacred symbols on altars or porches. Since it is sold in a compressed mound, it can be drawn with in the same way you would use chalk. When water is added to it, it can be used as a paint on the body or other surfaces