My hair is too high poly :(

I made a clay hair, it turned out pretty good. However, it is really high poly. I want to know a quick and clean way to get rid of faces that cannot be seen and decrease the poly count without the curls of the hair being messed up. Can someone help me?


www.dropbox.com/s/g6j0sqt3b6285n7/lod0%20volume3.blend?dl=0

www.dropbox.com/s/yx4i9fteud69guq/Hair%20high%20poly.package?dl=0