I hear so much about free radicals being bad for the skin and how antioxidants can fight them, but I don't really know what it means. What are free radicals and how do they cause wrinkles?

In order to understand how free radicals affect our skin, we have to go back to some basics of chemistry. All matter is made up of atoms. In turn, these atoms are made up of neutrons, protons and electrons. Protons and neutrons are located in the nucleus of an atom while electrons exist in pairs around this...