The third day of waiting found her in a highly nervous condition. She had bitten the insides of her mouth until they were raw and smarting, and burnt unbearably when she washed them with listerine.
Listerine is a brand of antiseptic mouthwash product. It is promoted with the slogan "Kills germs that cause bad breath". Named after Joseph Lister, 1st Baron Lister, a pioneer of antiseptic surgery, Listerine was actually developed in 1879 by Joseph Lawrence, a chemist in St. Louis, Missouri.