The hardest of the BD waxes, Swix High Fluoro Black Wolf 6 Blue Wax is used when the humidity is high and the conditions are more abrasive. The new patent pending additive has a lower coefficient of friction that previous additives. The BW Additive increases the resistance to abrasion and friction when the snow crystals are new. Scrape using light strokes with a sharp scraper to avoid chipping of the wax. Follow by thorough brushing.