Bear experts commonly refer to bear attractants. What is a bear attractant?
Depending on whom you ask, the list is a long one and surprisingly varied.
Basically all food items are bear attractants. Beyond food, the list includes: trash, recyclables, toiletries, first aid kits, pet food, window cleaner, baby wipes, scented tissue, air freshener, soda cans, bottled beverages, canned food, coolers (full or empty), mosquito repellant, deodorant, lipstick, tobacco products, and any other product with a scent.
Be especially careful not store these items in or near where you plan to sleep.
Here are other recommendations for managing bear attractants in camp: