Which of the following is a key benefit of using LED lamps in nail procedures?

The key benefit of using LED lamps in nail procedures is their lower heat output during curing. LED lamps are designed to emit less heat compared to traditional UV lamps. This characteristic is particularly advantageous for clients, as it results in a more comfortable experience during the curing process. High heat output can cause discomfort or even pain, especially for clients with sensitive skin.

Additionally, the lower heat output helps prevent potential damage to the surrounding skin and nails, making the overall procedure safer. This feature, coupled with the efficiency and speed at which LED lamps cure gel polishes, contributes to their growing popularity in the nail industry.

While longer curing times might be a concern for some procedures, LED lamps actually cure products faster, which increases treatment efficiency. The ability to change colors is not a direct benefit of the lamp itself, as it pertains to the gel products used. Lastly, while LED lamps can be more cost-effective over time due to their durability and longer bulb life, the primary distinguishing benefit in a procedure context is the reduced heat output they provide.