Diffusing is one of the most effective methods of absorbing essential oils, therefore to obtain the full benefit the diffuser should be placed near to where you are working, it is generally recommended to place a diffuser on a high shelf in order to allow for maximum dispersal. If the diffuser requires a power supply, place near a plug socket and ensure the tank of water is not at risk of being knocked over. For diffusers with a flame, ensure the flame is out of reach of flammable materials or children.