Jo Malone London Blackberry & Bay Car Diffuser RefillApplication: unclip the diffuser from the car vent and open the magnetic case to remove the previous scent before placing the new one. Carefully reattach the diffuser to your car vent. It can be positioned to accommodate both vertical and horizontal air vents. The diffuser utilises the natural air flow to release the fragrance. To enhance the diffusion, use it in conjunction with your car's ventilation system. Clean hands after installationTop notes: blackberryHeart notes: bay leavesBase notes: cedarwood30mlFor hygiene reasons, we are unable to exchange or refund this product, unless faulty.