Review of clinical studies for claim validations of European oral hygiene cosmetics – Part 1

The efficacy tests in the field of cosmetics used in oral care are evolving more and more with the arrival of new technological resources. In order to correctly support the claims of effectiveness, it becomes essential to understand which tests are currently available and which are the most reliable. In this review, the most widespread claims in the cosmetic market are taken into account and the mainly used tests to validate them, are reported. Research has shown that existing tests exploit specific endpoints. Consequently, it seems that a gold standard does not exist, and that the choice of efficacy tests strongly depends on the type of claim, equipment and experience of the experts involved.