170KiB, 2500x2500, toothbrush-blue-bamboo-toothbrush-adult-12761794248773.jpg
Are hard toothbrushes really bad for your enamel and gums? If that is the case, then why the fuck are they still being sold and marketed as brushes for your teeth? For instance noone will sell sugary candy toothpaste because it will hurt the teeth...