Yuzu Fragranced Soy Wax Melts and Tarts - Concentrated Fragrance Oils | Non Toxic- Handmade in NYC- 6pc /2.5oz as packed Yuzu Oil, also known by the botanical name Citrus junos, is a pure essential oil steam-distilled from the peels of the citrus Yuzu fruit. This clear essential oil carries a tart citrus aroma, with a scent similar to a combination of orange peel and grapefruit. 100% Soy Wax We only use the highest quality natural materials in our products that gives off non toxic burn. Clam shell 6 cubes Per pack. Eco soy wax is biodegradable and vegan friendly. Unlike paraffin wax, soy wax is derived from a renewable source, the soy plant, which can be grown over and over again making it a sustainable commodity. To Use: Simply place 1 or 2 melts/tarts into your burner/warmer depending on the size of your burner/warmer. DO NOT ADD WATER. The melts can be remelted until no fragrance is left.