I have been getting chin Botox once a year for 4-5 years. Then one day, I suddenly started to worry about my deep cheeks. I went to a hospital that gave detailed lifting consultations and asked about it. I had cheek fat, so the chin Botox reduced my jaw muscles, causing the deep cheek fat to appear. They say it's sagging... I originally had a small lower canal and my chin muscles weren't developed, so why did I get Botox for my chin ? Hahaha... After that, I stopped using Botox and lifted it like crazy, but my face doesn't go back to its old shape. It's a simple chin Botox procedure. Don't take it lightly, but be sure to go to a hospital that provides good consultation and check your face thoroughly before making your choice!!!