Heat spikes, in a nutshell, are an exothermic reaction created by the gel hardening under the curing lamp and are experienced with most hard and building gels. They are normal and do not occur with every client; they tend to vary based on that clients' unique body chemistry.Heat spikes can be explained to clients as the reaction created by the lamp when it cures and hardens the gel product. They can be greatly minimized by using our light, PULSE with our exclusive light control technology to virtually eliminate the heat spike. You can purchase the Pulse by clicking here