V34 works to brighten teeth by utilising colour correcting technology. By counter-balancing the different hues in your teeth, V34 conceals stains and improves brightness. - Utilises colour correcting technology - Non-invasive brightening treatment - Enhanced results for teeth whitening. How to use: V34 is best used as a post whitening treatment, however it can be used on its own daily or before an event, to eliminate unwanted yellow undertones on your teeth.