Looking at the characteristics of Botox, does the sensation tend to vary significantly depending on the area?

While looking into Botox, I found out that it is administered differently depending on the area, such as the forehead, around the eyes, and the chin, so I became curious.

I would like to know if there are significant differences in the effects or sensations depending on the area treated with Botox.

I am more concerned because I heard that facial expressions or movements change depending on where the Botox is injected.

Since this is my first time getting Botox, I'm also wondering which area I should start on to avoid feeling too much pressure.

For those who have received this, I would love to know the difference in sensation depending on the body part!

I would also like to know the difference in pain depending on the area where it was hit.