IBD Builder Gels are user friendly, work very easily and self-level for minimal filing. IBD Builder Gels cure on demand, giving the technician the extended working time necessary to achieve the perfect application. Builder gels do not have an odor and have very little heat sensitivity. They are formaldehyde and toluene free. Cure for 3 minutes under UV lamp. Keep capped when not in use. Do not store in sunlight. Di-HEMA Trimethylhexyl Dicarbamate, Isobornyl Methacrylate, Hydroxycyclohexyl Phenyl Ketone, Trimethylolpropane Trimethacrylate, Silica WARNING: KEEP OUT OF REACH OF CHILDREN. Avoid skin contact. If itching, redness or swelling occurs, discontinue use immediately and contact a physician. IBD Builder Gels are user friendly, work very easily and self-level for minimal filing. IBD Builder Gels cure on demand, giving the technician the extended working time necessary to achieve the perfect application. Builder gels do not have an odor and have very little heat sensitivity. They are formaldehyde and toluene free. Cure for 3 minutes under UV lamp. Keep capped when not in use. Do not store in sunlight. Di-HEMA Trimethylhexyl Dicarbamate, Isobornyl Methacrylate, Hydroxycyclohexyl Phenyl Ketone, Trimethylolpropane Trimethacrylate, Silica WARNING: KEEP OUT OF REACH OF CHILDREN. Avoid skin contact. If itching, redness or swelling occurs, discontinue use immediately and contact a physician.