@thephysicslabs on Instagram: "Putting toothpaste in the toilet before flushing sounds unusual, but it works because of simple chemistry and physics. 🚽 Toothpaste contains mild abrasives and cleaning agents designed to break down stains and neutralize odors. When you squeeze a small amount into the toilet bowl and flush, the moving water spreads those agents across the surface. The abrasives help loosen residue, while antibacterial ingredients reduce odor-causing bacteria. Menthol and mint oils