More Interesting than Watching Nail Polish Dry

Some salon manicures require you to dry your freshly painted nails under a UV light. But why only certain types of manicures and why UV? Why don't you always dry your nails with a UV light? And when you do paint your nails at home, why does cooling wet nails help them dry faster? Image Credit: Photo (c) 2010. J. Ronald Lee  Nail polish fundamentally consists of four things: solvents, polymers, pigment, and plasticizers. The plasticizers increase the flexibility of the polish, and pigment adds ...