Despite having 20 times the bristles, SymplBrush does not need more toothpaste than one might normally use! For ease of brushing and rinsing, we recommend using toothpaste tablets with SymplBrush. If using our SymplPaste (or any other toothpaste) we recommend placing a small arch of paste at the bottom and few pea-sized drops of paste along the sides inside the canal of your SymplBrush bristles, as pictured here.
To use your SymplPaste toothpaste applicator, simply unscrew the nozzle back partially in a counter-clockwise direction to open the applicator tip. You should see the tip of the nozzle open up, allowing a small amount of paste to be squeezed through, although it does take some finesse to open up the nozzle just enough. If you continue to have trouble, you may find it just as easy to not use the applicator tip and simply unscrew the cap off entirely to squeeze your pea-sized toothpaste drops onto the brush.
We know the SymplPaste applicator tip could use some improvement, and we are actively working on a new design for our tube!