You will enjoya beautiful white smile with our product naturawhite one of the uk39s leading teeth whitening gelsthe gel is very safe effective does not cause any sensitivity and lifts between 4 10 shadesthe treatment uses a 36w aura laser light and takes approximately one hour clients are advised to refain from eating anything that would stain a white sheet for at least 24 hours this includes tes coffee red wine blackcurrent juice and coke curries red tomato sauces pizza etcso whi