Teach You Funfact on Instagram: "The post shares a viral DIY tutorial for crafting portable soap disks from a bar of soap by slicing, melting with a lighter, and stacking them to mimic throat lozenges, framed as a "doctor-taught" hygiene hack for travel. With 4.6 million views and 760 replies, it sparked amusement and skepticism, as users joked about needing a "new doctor" while others praised its cleverness for discreet handwashing on the go. This trend echoes similar Instagram reels on soap po