How can I fix my lower chubby and heavy portion of my face? (Photo)

Based on your front view, you are a good candidate for buccal fat reduction. It's hard to tell about botox to masseter without more pics and info. However, you can always stage them since they address different portions of the face

You can consider buccal fat reduction. It will help with lower face fullness. However, it won't prevent jowling down the line since those two are not related.

Thank you for your question. Since the buccal fat pad is not regrown, even with weight gain, it would not be possible to perform a second removal. It is possible that you would benefit from facial liposuction to remove excess fat from the face and neck. This procedure can slim and shape the chin...