(Part 1)
If the your shape of the mesh hair is broken, please try the following setting.
Advanced > Show Debug setting > Debug settings > RenderDynamicLOD > FALSE
(Part 2) When form of mesh is not displayed by the method of (Part1) nearly either.
Please try the following settings.
Please open the window of Preferences.
Please increase levels of Object &SculpsLOD. Please increase more than the currend level.
