Diffuser refill grapefruit & may chang description refill, re-use, recycle - and relax. a handy refill for your grapefruit and may chang diffuser, with our trademark blend of essential oils. bursting with grapefruit zing and tropical may chang essential oils, it boosts the mind, soothes the soul and turns the air delicious. note: refill includes fresh reeds. ingredients we use a solvent made from a renewable source. with excellent solubilising power, low evaporation rate and low odor, this is the best diffuser base we have found. scented with essential oils and essential oil distillates. how to use: made to refill your amber glass diffuser bottle from the handmade soap co. carefully insert the reeds into the amber glass bottle. allow a few minutes for the reeds to absorb some of the fragrance. carefully withdraw the reeds, turn the upside down and place the dry ends back into the bottle. the oils will slowly travel up through the reeds and begin to diffuse the natural essential oil fragrance. to refresh the scent, turn the reeds every so often. the fragrance should last up to 3 months. always wash your hands thoroughly after coming into contact with the oils.