Experiencing a slight tingling sensation while using Builder Gel may be attributed to something known as 'heat spike'. This can occur if the gel is applied too thickly or cured too rapidly under the lamp. To avoid this, we recommend applying the gel in thin layers.
If you do find you’re getting a heat spike, simply take your hand out from under the lamp and give it a couple of seconds to cool down. Then, slowly put your gel nails back under the light.