Smilesbeta mobile teeth whitening will travel to your location and perform 3 x 15 minute laser teeth whitening procedures for 3 people, using ZERO2 gel. Which is FREE from Peroxide and Chlorine Dioxide and outperforms any UK Legal strength Peroxide and whitens teeth better than any Chlorine Dioxide Product on the market - FACT. Our gel has its MSDS (Material Safety Data Sheets) and all UK and EU Safety Tests.