This minimalist simple essential oil diffuser necklace is made with natural lava bead and Geometric brass charm. Some of the emotional and mind support essential oils can bring are: Calming: lavender, frankincense Uplifting and focusing: lemongrass, peppermint Combating stress/Relieving anxiety: patchouli, lemongrass Sensuality: rose, ylang, jasmine Get your essential oils here: https://www.kaikostudio.com/collections/essential-oils Apply 1-2 drops of therapeutic grade essential oil to the lava stone, then allow a moment for oil to absorb and wipe off the excess. Because lava beads are porous, they will hold the essential oil for 1-2 days. !!! It is important to note that you should only use essential oil that is safe to come in direct contact with the skin, as you will receive topical as well as the aromatic benefits. Please note: ESSENTIAL OIL IS NOT INCLUDED! Specifications: Chain- faceted brass Length: approx. 70 cm Pendant: Natural black lava and brass charm