Braun Oral-B Precision Clean 7er +1 (for all rotating toothbrushes from Oral-B) (Limited Edition) (Health and Beauty)
When I changed the toothpaste, I found that the foam is gray and metallic tastes. This I logically shifted only once on the new toothpaste and bought another brand. Also here the same problem. The other day in the drugstore at the checkout, I hear by