Bit new to this so it's very likely I've missed something. I can't seem to figure out what the keys or controller buttons are for changing opacity. I looked at the settings file but didn't see anything. For color options (like hair color) it's left and right bumpers or numpad 4 and 6 but I've found no other keys for the opacity option or way of switching to opacity.
I've also noticed that every time I reselect a character the color options reset to their default color and I have to change them in the editor again.
Edit: Ah, at some point when starting up the game I noticed in the bottom right it was showing more controls, and after seeing that figured out that you had to hold space and press num4 or num6 to change it. I'd tried pressing space but never considered holding it down until then. The second problem still occurs but it's manageable, since I don't use many faces.