Bergaptene

Bergaptene is a chemical that is found in certain plants, like bergamot, which is a fruit that smells really nice. But, if you touch that plant and then go out in the sun, it can make your skin very sensitive to the sun's rays, which is not good at all. It's like when you eat too much candy and your body gets upset, except it's your skin that gets upset with bergaptene. So, it's important to be careful around plants that have bergaptene so that you don't get hurt by the sun.