Read diffusers may take a lot more time to work their magic than a candle or an air freshener which usually makes your room smell better in a matter of minutes. But they have a very special advantage too.
Reed diffuser lasts much longer than both of those options. So, how long should a reed diffuser last? Typically, a reed diffuser lasts at least a month. But a good product can last even longer.
In fact, if you are willing to invest a little, your diffuser can last up to three months. You can do this just by following the instructions label carefully.