“In-clinic professional whitening uses a higher concentration of bleaching agent, most commonly hydrogen peroxide. The patient’s teeth and gums are carefully prepared and the gel is precisely applied ...
These strips consist of flexible, feather-light plastic pieces featuring a coating of peroxide-based whitening gel, intended for application straight onto the teeth. When choosing the best teeth ...
By law, only dentists on the General Dental Council register can supply stronger products (up to 6 per cent hydrogen peroxide). 'The problem is that many teeth-whitening products sold online ...