Cascarilla is a sacred spiritual powder made from finely ground eggshells, traditionally used for protection, purification, and spiritual communication. Deeply rooted in Afro-Caribbean and Latin spiritual practices, it serves as a powerful energetic shield—sprinkled around doorways, windows, and the perimeter of the home to ward off negativity and spiritual intrusions. Cascarilla is also used in ritual baths to cleanse the body of spiritual residue, often combined with ingredients like salt, honey, or protective herbs such as rue. When marked on the skin, candles, or ritual tools, it creates a symbolic layer of spiritual armor. Practitioners also offer cascarilla to Orishas, ancestors, and saints, and use its patterns in divination to receive guidance. Whether used in altar work, daily protection, or ceremonial cleansing, cascarilla is a versatile and essential spiritual ally in any devotional toolkit.