One of our favorite things about peering into the closets and medicine cabinets of amazing people is that even among the fanciest of clothes and creams, in the dreamiest of luxury apartments, there’s always some cheap gem our subjects can’t live without. We’re the same way. When we asked each editor to comb through her beauty stash, we found that our all-time favorites range wildly in price: from free spoolies to a smudge-proof drugstore eyeliner that costs pocket change, to a Dyson hair dryer with all the bells and whistles–and a $399 price tag. Here we go, high and low: