What are heat spikes?

When it comes to applying builder gel for nail enhancements, understanding the process of polymerisation is crucial. One phenomenon that often occurs during this process is the occurrence of heat spikes. But how exactly do heat spikes happen through polymerisation when applying builder gel?

What is Polymerisation?

Polymerisation is the chemical process in which small molecules, called monomers, are combined to form larger molecules, known as polymers. In the case of builder gel, the polymerisation process involves the curing of the gel under a UV or LED lamp to create a strong and durable nail enhancement.

How Do Heat Spikes Occur?

During the polymerisation of builder gel, heat spikes can occur due to the exothermic nature of the chemical reaction. As the gel cures and the molecules bond together to form the polymer, energy is released in the form of heat. This sudden increase in temperature can be felt as a heat spike on the nail bed, causing discomfort to the client.

Preventing Heat Spikes

To prevent heat spikes during the polymerisation of builder gel, there are a few key steps that can be taken. One common method is to apply thin layers of gel and cure each layer separately under the lamp. This allows for better heat dissipation and reduces the likelihood of a heat spike occurring.

Additionally, using a lower wattage setting (Low Heat Mode) can help control the temperature and minimize the risk of heat spikes. It is also important to ensure that the gel is applied evenly and that the lamp is positioned at the correct distance from the nail to promote even curing.


Understanding how heat spikes happen through polymerisation when applying builder gel is essential for nail technicians to provide a comfortable and safe experience for their clients. By following proper application techniques and taking precautions to control the temperature, heat spikes can be minimized, resulting in a flawless nail enhancement that both looks and feels great.

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