Signal toothpaste is a brand of toothpaste that is designed to protect and whiten your teeth. Signal toothpaste contains fluoride, calcium and other ingredients that help prevent tooth decay, plaque and bad breath. Signal toothpaste also has a pleasant mint flavor that leaves your mouth feeling fresh and clean. Signal toothpaste is produced by Unilever, a multinational consumer goods company, and is sold in many countries around the world. Signal toothpaste is a trusted choice for oral hygiene and dental care.