Concrete Burn Neutralizer pH buffering solution changes the chemical makeup of cement on contact and prevents painful cement burns, cement dermatitis and hexavalent chromium allergies. Each bottle contains a pre-measured amount of Neutralite crystals. User fills each bottle with clean water to activate crystals. User "drench sprays" wet cement contaminated skin as soon as possible And re-sprays after each time of contamination. 32 oz. Spray bottle.