The issue of not being trusted or whether she cares about the people will not be turned around by more make up, more scripted meetings in a donut shop or staying away from the public and ignoring issues of the day. She is and will continue to sputter downward until bumped out as in 2008:
Clinton trails top Republicans in battleground states - CNNPolitics.com
You just cannot do enough to convince enough people the devil is really not such a bad person.