Animate the face in a BP_player MH

So, i’ve made a Third Person Character with a metahuman.
I wanted to have some fun and tried to add some facial animations according to what the player does.

Prob is, as I had to do a “Set Master pose” with body mesh as parent, the animation BP of the face doesn’t work. Any idea how to combine the two of them?

(if i unlink the face component from the set master pose, the face just fly)