Simply place in a Tarts® wax melts warmer (never add water) and light an unscented tea light below, or use one of our electric warmers. As the wax melts, the fragrance is released. Mix and match scents to create your own personal aroma blends. Hours of Scent: 8 hours at least. This item is now classified as a USA Fragrance or a Retired Scent; due to the rarity of the item some discolouration could occur with some items on rare occasions however this shall not affect the products burn quality.