Despite the claims of the JawlineMe Fitness Ball, you are unlikely to be able to tone your jawline with exercise. Plus, the exerciser has the potential to cause damage to your jaw joints. This exerciser is not a good alternative to a nonsurgical facelift.
Do jaw exercisers really work?
Using the Jawzrsize may lead to some enlargement, or hypertrophy, of the masseter muscles, which are large chewing muscles at the side of the face. However, while it may help strengthen the jaw, it is unlikely to provide other benefits. ... Exercising these muscles is not likely to alter a person's face substantially.
Do facial exercises really work?
But do these exercises actually work? Countless books, websites, and product reviews promise miraculous results, but any evidence that suggests facial exercises are effective for slimming cheeks or reducing wrinkles is largely anecdotal. There's little clinical research on the efficacy of facial exercises.