How does the Hourglass Diffuser work?

The Hourglass Diffuser is a unique object designed for close-proximity scent diffusion. To activate it, simply turn it over and let gravity and capillary action allow the fragrance to flow gently from one end to the other, with no further intervention required. It releases its scent for approximately one hour.

Please note, Do not place the hourglass directly on a glass, wood or marble surface.