How to make Fake Dimples by botox?

Botox works by inhibiting motor movement to your facial muscles to eliminate dynamic wrinkles. You cannot use it to create dimples. There is a surgical solution called dimpleplasty which you can look into if you would like to create dimples.

I am not aware of any technique to create a dimple using Botox.There is a technique of removing dimples or smoothing out the chin using Botox.Best of luck, Mats Hagstrom, M.D.

You cannot make a fake cheek dimple with Botox. Botox makes a muscle unable to contract; it does not create a mark like this. "This answer has been solicited without seeing this patient and
cannot be held as true medical advice, but only opinion. Seek in-person
treatment with a trained medical professional for appropriate care."