Blue Indicator on Toothbrushes
I use the Oral B blue indicator toothbrush. Well I just did some research and found out that the blue indicator is a blue dye, Coomassie Brilliant Blue. Wouldn’t that be considered not healthy?
I use the Oral B blue indicator toothbrush. Well I just did some research and found out that the blue indicator is a blue dye, Coomassie Brilliant Blue. Wouldn’t that be considered not healthy?