this might be different on mouse and keyboard as i play with gamepad on pc... but by now going through hair styles, cosmetics, pets is a NIGHTMARE if you have a lot of stuff - its so hard to find things so you usually have to know exactly what you are looking for or look on external websites...
it would be really nice if - as with mounts - we can get better subcategories that makes finding things easier for example
eye shadow
ear rings
head bands etc...
same with pets to group them either into the animal or archetype
like
birds
bats
feline
canine etc.