For those of you who have received forehead Botox, how was the wrinkle improvement?

I am considering getting Botox for my forehead wrinkles, and I am curious about the actual effects.
I want to know if the wrinkles that appear when making facial expressions are significantly reduced.
I am also curious if your facial expression becomes awkward or if you feel uncomfortable when you get it for the first time.
I would also like to know how many days it usually takes to see results.
I would like to hear about your experience regarding how long the maintenance lasted.
We would appreciate honest reviews from those who have received the product firsthand.