Powder wax is a form of ski wax that is known for its high performance and is often used in race skiing to achieve maximum glide. This type of wax is applied with an iron, similar to a solid wax, but is in the form of a fine powder that melts and penetrates the structure of the ski's skis. Its application requires care and some skill, as it is important to spread the powder evenly over the slide and then melt it properly to prevent overheating or damaging the slide.