Each family member has a "coaster" to place their glass for the day. No more "grab a glass & put in the sink" 50 x's a day! Where was this idea when I had to fight with my kids to not get a new glass every time they wanted a drink!
Hair Appliance holsters: Use hook-and-loop tape to attach lengths of diameter PVC pipe to the vanity door to hold the curling irons. Do the same thing with pieces of pipe to hold the cords. Let your curling irons cool before you stow them away.