Product to prevent slippage

I have come across a product named, if I recall correctly, Slipknot (maybe Slipkote) out of Sweden.  Apparently it is a one-time application to any rock surface and it prevents water from penetrating, ultimately causing the surface to become notably grippier.   The demo at the Home and Garden Fair in Bangkok did look impressive but I know little about such things.  Is this a safe product to use with marble baths, granite kitchen floors, and porcelain outdoor tiles? (I ask because we plan on using these rocks in our new home under construction.)

 

Thank you kindly.