Since the Orbicularis Oris (lip) muscles generate the most workout you will see thin down turned lips become rounded and lifted, giving the entire face a younger appearance.
Frontalis Orbicularis Oculi Levator Labii Superioris Masseter Orbicularis Oris Mentalis	Procerus Zygomaticus Major Risorius Depressor Anguli Oris Depressor Labii Inferioris

Flexaway System facial exerciser gives the face and neck muscles the workout they need to stay fit and healthy.