Be careful if you are sanding, shaving or working with lead. In powder form it is easly injested and absorbed through your skin and lead is poisonous. If you are going to work with lead wear gloves and a resperator. Don't smoke unless you wash your hands thouroughly, proably shouldn't smoke at all. Don't eat or drink unless you wash your hands. And use in a well ventelated area. So basicly use the salt.