After a day on the hill, it’s a good idea to dry off your skis. To maintain the edges, you can smooth out the burrs — small nicks in the metal — with a pocket stone. After a few days of use, and especially after abuse on hardpack snow, you can replenish the hot wax.
Choose a wax for the current snow conditions and temperatures you’re skiing in. It’s a good idea to invest in a ski wax iron, which is specifically designed for waxing skis, so the temperature is more controllable and doesn’t get too hot for your ski’s base.
At least once a season, it’s really nice to get your skis tuned up by a professional tuner at a local ski shop, which will confidently know and have the equipment to tune and sharpen the edges, perform a base grind, repair gouges in the base, and apply a robust wax.