I have problem with that scene. Shadows on forehead are flickering and the hair behind the neck disappears for a moment in the second second, I don’t known how to fix it:
I still have the same problem, even in current UE version 
I have problem with that scene. Shadows on forehead are flickering and the hair behind the neck disappears for a moment in the second second, I don’t known how to fix it:
I still have the same problem, even in current UE version