We use as directed, and let the paste sit on our teeth for 2 minutes before spitting. The bioactive glass particles have relieved what sensitivity I had before starting Biomin F. I will likely be a lifelong customer.
One complaint in the ingredients. I would prefer they remove or find better alternatives for the following ingredients: Ace K, titanium dioxide (I’d rather have no abrasiveness beyond what is absolutely unavoidable), aroma (useless — I don’t care how my toothpaste smells, SLS (it’s not that foamy already, and I don’t care if it is anyway). MMM 2019