PSA: brushing your teeth directly after eating is actually detrimental, because the acids in food soften the enamel on your teeth. That layer needs to harden fi

PSA: brushing your teeth directly after eating is actually detrimental, because the acids in food soften the enamel on your teeth. That layer needs to harden first (wait 20-30 minutes), otherwise your toothbrush will strip it away: https://www.cuimc.columbia.edu/news/brushing-immediately-after-meals-you-may-want-wait https://www.cuimc.columbia.edu/news/brushing-immediately-aft...