There is no such thing as a standard whiteness of teeth. The colour of tooth enamel varies from person to person, sometimes even from tooth to tooth, and may worsen due to a series of external or metabolic factors. The daily and prolonged use of a specifically designed whitener that does not damage tooth enamel, such as the blanx toothpaste, may restore the natural whiteness of teeth.blanx classic whitening toothpaste natural whitening effect is due to the combination of a series of factorsthe lichen extract contained in the toothpastes exclusive formula has a bacterostatic, antiplaque and antistain effect, and acts as a softener and antiinflammatory for the gum mucous.ampnbsp the particular type and granular nature of silicon, on the other hand, allows teeth to be cleaned thoroughly without being abraded.finally, fluoride salts reinforce tooth enamel, making it more solid and shiny, and are antibacterial.