BlanX Black toothpaste contains unique formulation of Arctic Lichen along with 100 natural activated charcoal to eliminate plaque and impurities Artic Lichens have natural whitening antibacterial and antistain properties Highquality silica effectively cleans enamel without abrasive damage whilst Fluoride salts strengthen tooth enamel making it more compact and brighter Peroxide free whitening meaning no hypersensitivity or gum irritation Gently restores your teeth to their natural whiteness