How Does Uv Light Dry Nail Polish. Curing time is too short. Another reason why your gel polish doesn’t cure properly is because the curing time is too short. Curing gel nail polish under uv lamps will usually require more time as compared to those cured under the led lamps. Usually, you need around 90 seconds to cure uv gel nail polishes.
First, make sure you have a uv light box. Second, take your nails and place them on the light box. Uv lamps do not generally work on regular nail polish. This is because regular nail polish will only dry through exposure to air, and with time, as the chemical solvents in the polish evaporate. The uv light being emitted by the uv lamps does nothing to dry nail polish, but the heat from the light unit itself will assist in drying nail polish. A more effective nail polish dryer would be a heat light with a small fan or some apparatus that has heating capabilities as. Unlike regular nail polish, which dries through evaporation, gel polish is cured by exposure to ultraviolet (uv) light. But why does gel nail polish need to be cured with uv light or led lamp, and how does this process work? Gel nail polish is made up of a type of synthetic polymer called polyurethane.