This is a case of misinterpreting the packaging. Any product that is 100% silicone will "provide mold-free product protection". It's not saying there are inhibitors in it. That's what silicone does, it provides a sealant that will protect against mold and mildew. Here is the difference between something without inhibitors and one without:
Notice one has a 5 year mold protection bullet? That one has inhibitors in it, the other does not.
Education is the most powerful weapon we can use to change the world ~ Nelson Mandela