The foundation of Patanjali’s Eight Limbs Yoga are the Yamas and Niyamas. Saucha (cleanliness) is the first Niyama.
Here is my DIY formula for cleaning my mat. Spray it on and wipe off at least once a week to prevent the build up of sweat and body oils so mat stays sticky.  Don’t spend money on prepackaged cleaners when this simple formula works well and without toxins.