ISO 22254:2005 PDF Download

The test procedure for determining how resistant the tufted portion of manual toothbrushes is to deflection is described in the standard ISO 22254:2005. It may not be applicable to toothbrushes with other designs, as it concentrates only on those with a traditional flat trim design.

This standard's objective is to offer a means of measuring the hardness and flexibility of toothbrush bristles. It seeks to evaluate the brush head's effectiveness and durability in keeping its shape and rigidity while in use by calculating the resistance to deflection.

It is crucial to remember that the outcomes of this criterion might not always match consumer impressions. This suggests that, despite the fact that the standard offers a scientific measurement, personal preferences and experiences with toothbrush stiffness may differ from the results of this test.