Small movements on weekdays will help the problem of chin not protruding.
Like sticking out your tongue more. When sticking out your tongue, stick your head forward as far as possible.
Let the whole face interact with the neck, which can help tighten the neck skin.
It will be helpful to the problem of chin protrusion, but this method belongs to physical method and needs persistence to be effective.
If you want to improve the problem that your chin is not prominent in a short time, you can apply Baubigeat to massage your chin to make it long and stiff.
It can quickly remove excess fat from the chin and make the chin look quite long.