I'm constantly checking the ingredients on everything my parents use. I've been paranoid of their mortality since I was about 6 years old, when my father went to pick my mom up in a snowstorm. Hours ...

From glycerin to sodium fluoride, shop bought toothpaste is a roll call of iffy-sounding ingredients. Much safer to make your own ... if only it didn’t look so much like thick, grey sludge I know ...