Metahuman hair simulation UE5

Hi guys,
I added a metahuman named Hana in my scene. This character is animated, but the hair doesn´t move. In this tutorial Unreal Engine 5 Metahuman Animation Tutorial - YouTube the hair moves when the character moves in real time.
I added, on another level, a metahuman named Irene, but her hair is not been shown.
Does anybody know how to solve these two issues?

Well, about tuning on simulation, just open the hair in the “Groom Asset Editor” and check “Enable Simulation”: