Light a tealight or small candle and place it inside the diffuser.
Add a wax melt or pour in 10 ml of water with 4-5 drops of scented oil on the top dish.
Car Diffuser: place drops of essential oil on the wooden flower and place on the magnetic backing.
Glass Hex Diffuser: Fill Glass jar with essential oil and replace wooden lid. Flip over to get the essential oil to start permeating through the lid.