Silica gel face fitness balls, sometimes referred to as jaw exercisers or jawline exercisers, are small, resilient balls made from silica gel that are designed to help strengthen and tone the muscles in the face and jaw. They're often used as part of facial exercise routines aimed at improving jawline definition, reducing double chins, and overall facial muscle tone.
Here's how they typically work: you place the ball between your teeth and then perform various jaw movements, such as chewing motions or simply clenching and releasing the jaw muscles. The resistance provided by the ball helps to engage and work out the muscles in the face and jaw.
It's important to use these devices with caution and not to overdo it, as excessive or improper use could potentially strain the jaw muscles or even cause dental issues. As with any fitness tool, it's a good idea to consult with a healthcare professional or fitness expert before incorporating it into your routine, especially if you have any underlying dental or jaw-related issues