It is possible to adjust the eyebrow shape and position with Botox after an endoscopic browlift. One of the downsides of the endobrow procedure that might actually help you is that the lift will tend to relax slightly over time. Hopefully, the expected amount of relaxation over time will leave...
As others have emphasized the important first step is to diagnose the cause of your forehead depression. Treatment is is relatively straight-forward; the depression can be augmented with a filler or more permanently with fat.
