on top of each other. Was 100, which gave noise like this in this image; http://www.blender.org/bf/hairnew.jpg Made it 200, which solves it for a million hair polygons; http://www.blender.org/bf/hairnew1.jpg Also note that hair renders go much faster and better if you insert a real solid head in it, that will prevent hairs on the back to be inserted in the buffers. ANd don't make the head Ztransp!