Plant holders make great hair styling supply holders. Instead of hanging plants in them, you just mount them to the wall and put your blow dryer, curling iron and other hair supplies inside 30 Brilliant Bathroom Organization and Storage DIY Solutions
Here a deep drawer can safely hold a hot flat iron and other primping tools after use. Stainless-steel canisters allow these beauty tools to cool safely inside the drawer as well as house brushes, combs, and a hair dryer. Could easily be a DIY project.
~Combination Flat Iron & Blow Dryer Holder by Taymor on Zulily - this would easily mount on inside of door under bathroom sink as well! and probably could put curling iron in the slot where flat iron is too~