This is what i do (Poser Pro pack) Select the head -go to the "grooping tool" ( the "editing" tool bar) -create a new group (name it as you want) -click on "include material" and select the "Skin Face" material, the "Lips" material, and all you need (eye socket, etc chatever you want. -Each part selected becomes red Now click on the "Create a new prop" button, and that's it. You have your mask.