❄️MR FACT on Instagram: "The post is a 34-second ASMR video from , a channel specializing in satisfying visuals, where hands squeeze four whitening toothpastes (including Colgate and novelty brands like Busaurus) into colored liquids and brush them onto stained model teeth, instantly clearing discoloration for a hypnotic effect that drove 6.5 million views. Replies mix amusement with criticism, notably a dentist debunking the "magic" stain removal as enamel-eroding hype, while others promote aff