Aromatherapy Chakra Diffuser Bracelet with Genuine Gemstones!Handmade Aromatherapy Chakra Stretch Bracelet! The Black Lava Stones that I use are porous, so they will absorb any oil based fragrance. They work great with Essential Oils, Perfume and Cologne. They typically hold the scent for roughly 10 14 days! These powerful bracelets are handmade using only high quality and natural gemstones! For metaphysical use I feel you must stay as true to the Earth and natural environment. Each stone was hand selected with