You should wash your bathmat at least once a week, and maybe more frequently depending how often it is used, and how many people step onto it after exiting the home bathtub or walk in shower.
If left untended to, bathmats can become a hotspot for bacteria in the form of mould and mildew, as their positioning makes it difficult for them to properly dry off and circulate air.
To find out more, take a look at our dedicated blog, The Importance Of Cleaning Bathmats.