-Pro Seal is the first chemical or light cure sealant that will completely set without an oxygen inhibited layer. -This creates a smooth, hard surface that prevents leakage, protects the enamel and makes paste cleanup easier. -Pro Seal can be used under any light cure, chemical cure or dual cure paste system. -Pro Seal L.E.D. has the same great properties as the original Pro Seal, but can be cured with any L.E.D. or Halogen light. -Now every office can offer their poor hygiene patients long term enamel protection. -Contains fluoride. **For further product information, please contact Chat Support**