How long does it take for breathing through the nose to affect facial structure?

Breathing through the nose can lead to significant improvements in facial structure compared to mouth breathing. Andrew Huberman notes that switching to nasal breathing can result in dramatic and favorable aesthetic changes, such as elevation of the cheekbones, sharpening of the jaw, and improvements in the teeth and jaw structure. This process, however, was not directly linked to a specific timeline in the content, but the changes are described as significant once the transition from mouth to nasal breathing is made 1.

For those looking to transition to nasal breathing, methods such as mouth taping or practicing nasal breathing during cardiovascular exercises can help 1.