Necessary Items In Cosmetic BagsMakeup toner could be a necessary item in your cosmetic bags. It is mild and moist enough to keep your skin moist when going out. A sunscreen lotion is also a necessary item in your cosmetic bags. The most effective way to prevent your skin from aging is to keep your face moist and use sunscreen lotion to prevent UVA rays. Lipstick is also a necessary item in your cosmetic bags. It helps to moisturize your lips and enhance your natural lip color by wearing its gorgeous color. Apart from the necessary items in your cosmetic bags, you may need a portable and compact size cosmetic bag in your carry-on luggage.