Lucida comes from the full phrase in Latin stella lūcida, meaning "bright star." Lucida can be traced to the Latin verb lūcēre, meaning "to shine." Reach for the stars and show 'em your smile! We know you will fall quickly in love with this ultra teeth whitening formula made with activated charcoal - a proven ingredient to help brighten and whiten teeth just like the brightest star in the constellation.*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Keep out of reach of children. If you are pregnant or breastfeeding consult a doctor before using this product. If you are taking any medication, or have any type of medical issue, consult a healthcare professional before using this product. The Federal Food, Drug, and Cosmetic Act requires this notice.