Brilliant Beauty Inventions

Can you believe that the paint used on cars inspired the invention of nail polish in the 1920s? Or that people have been making hair dyes for thousands of years, using everything from boiled walnuts to gold powder? Get ready to learn the strange stories behind inventions you use every day. From the woman who invented "kissproof" lipstick to the role toothpicks played in the creation of Q-tips, you...