Right thank you for that! Now narrowed it down… It’s something to do with the project! Thank you for testing that for me! 
EDIT: I have no idea whats up the project, I cannot see anything to stop the hair being glitched in the Project,I have tried the Lights to see if it’s a VXGI, No luck there, It all works in the Editor, I wonder if someone from either NVidia or Epic can help us answer question, We have seen it’s possible to package hairworks, We just can’t package particular project, It’s very frustrating and I can’t for the life of me figure out