There are two main areas of concerns with fluorinated waxes.  The first area is related to wax technicians inhaling toxins from the fumes and dust. Read the article below called Human Exposure to Fluorinated Ski Wax.  The second concern is related to the production process. Manufacturing fluoro products requires some nasty chemicals, including Perfluorooctanoic acid (PFOA). These chemicals can end up in the water streams, such as what happened near Dupont and 3M production facilities affecting thousands of people.