Cleaning rubber floor mats
There are other protectants designed for interior and can be slippy.
Secret is to use bare minimum product - spray your applicator not the floor mat.
It will be more slippery then when it was dirty and old looking but the matte finish type and buffing will help to remove any excess and slipperiness at a minimum.
Also I am guessing the mat has some sort of non slip texture/surface be it grooves or dimples or something.
These can be nice products:
Interior Detailer - Griot's Garage (griotsgarage.com)
Vinyl & Rubber Dressing (griotsgarage.com)
Education Tire & Trim Dressings (griotsgarage.com)
Meguiar's® Natural Shine® Protectant, 16 oz. (meguiarsdirect.com)
Meguiar's® Ultimate Protectant Spray, 15.2 oz. (meguiarsdirect.com)
Meguiar's® New Car Scent Protectant, 16 oz. (meguiarsdirect.com)






