Originally Posted by AlexS
I used to buy plain old Colgate with baking soda. Most pastes contain abrasive pumice powder, various flavours and binders, and I think the baking soda may give a slight 'effervescent' effect which you may or may not find pleasant. Probably the only effective ingredient in this was the pumice powder. This worked for me, & tasted OK.
Now they've stopped making this, and you can only get the one with 'peroxide whitening with tartar control Brisk Mint Paste'. Probably will cost an arm & a leg more and I won't like the taste.