12:35, Mon, Apr 14, 2025 Updated: 12:50, Mon, Apr 14, 2025 Double chins aren't uncommon, and people who wish to tighten their jawline muscles may seek ways to look more 'defined'. While it may seem ...
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As people age, the shape of their face begins to change. As fat builds up in the neck, the skin begins to sag and the jaw muscles begin to shrink. This may cause your jawline to become less defined.