Is it mandatory to wear a full-face helmet for motorcycles?

[StCarlos]

Motorcycles do not necessarily require wearing a full-face helmet. Helmet: A helmet consists of a shell, cushioning layer, padding, wearing device, and accessories. The shell is made of tough material capable of absorbing certain impact energy, directly protecting against external forces impacting the skull. The cushioning layer absorbs more impact energy than the shell, providing sufficient buffering against mechanical shocks. Function of wearing a helmet: In the event of a traffic accident, wearing a helmet means the tough outer shell can first directly resist external forces impacting the head, mitigating the instantaneous collision force. The inner cushioning layer further reduces the intensity and speed of the external forces acting on the skull while dispersing the force, thereby preventing damage to the brain.