OK, it's not really a black light. It's better to call it what it is: ultraviolet light. Let's start with a quick overview of light. Of course, light is an electromagnetic wave (oscillating electric ...

I never feel complete without fresh nails. That said, getting regular manicures may be great for my nail game, but it's absolutely tragic for my wallet. Doing my gel nails at home, though? A game ...

*1: Among air-cooled UV LED with a total irradiation of 300 mJ/cm² or more; Kyocera research, March 2025. *2: Among air-cooled UV LED light sources for UV curing applications; Kyocera research, March ...