Wow who knew an 18 month old comment about IR waxing would cause such a controversy. Bottom line is what I have been told is that because of the way IR heat penetrates the base and the duration for which IR penetrates the base it is not great for skis. The ski tech who educated me on this made a point of telling me that most ski manufacturers do not use IR on their skis. He also told me not to use it on my Stockli skis. These days I do a combination of hot waxing with a very good temperature controlled iron and liquid paraffin. In the past I have experimented with permanent waxing solutions, but ultimately came back to hot wax as my go to solution and now liquid paraffin too.