A woman brushing her teeth with bright green toothpaste.

The video starts with a woman applying toothpaste to a toothbrush. She then brushes her teeth. The scene cuts to a man, identified as an orthodontist, who explains how teeth whitening works. He shows before and after images of teeth, discusses different whitening methods, and warns against using charcoal toothpaste. The video ends with the man speaking directly to the camera.