I went back into the facial retopology and adjusted it to minimise the loop count more and make sure it all leads well into the back of the head. The rest of the head, including the inner mouth and parts of the neck are also basically done. Some things might be tweaked in the next stream though.

Watch the stream where I created this retopology here: https://www.youtube.com/watch?v=tRqCeWZLqQo