Safe Step Dual Blend is a sodium chloride and magnesium chloride blend which ensures that ice melts fast. It has corrosion inhibitors to reduce damage to concrete and metal. It is safe for people and pets when used as directed and is safe when used as directed on air-entrained, cold weather concrete that is at least one year old. It's fast acting, enhanced melting power melts ice down to -7 degrees F / -21 degrees Celsius. It won't harm skin and there is no need to goggles or gloves.