Do you want less shaking?
You can influence the hair physics with the "cloth blend weight" of your character , try something between 0.1-0.5 :



Also your shaders don't look correct , be sure you installed the CC_Setup correctly in UE5 :  https://www.reallusion.com/auto-setup/unreal-engine/default.html

Hello! Need help, how to export hair to ue5 correctly...? Or direct where to look if the issue has already been considered