Top up your World Market Apothecary reed diffuser again and again - and cut down on waste - with our large refill bottle. Simply pour the oil into your diffuser and turn the reeds around - they can be used repeatedly, just place the opposite ends in the oil to refresh. Featuring our favorite Black Patchouli scent inspired by a misty forest, enjoy scent notes of sweet citrus, vanilla, patchouli, sandalwood and musk.