If there is a MAC Cosmetics product that I swear by it has to be the, Prep + Prime Fix +. It is so good, it is very refreshing and makes makeup looks smooth and flawless. It's great for both dry and oily skin.
Mac's Most Versatile Beauty Products: Mac Mineralize SkinFinish Natural | Mac Fix Plus Spray | Mac Lustre Drops | Mac Pigments | These products are great because they work as two or three products in one. Take the powder and double it up as an eyeshadow or take the tint drops and use it as a highlighter.
Mac Fix Plus spray is definetly a must have product for any personal or professional makeup kit. I could not do without it. Beauty bloggers and makeup artists have been raving about Fix + for years, and for good reason. For me, there is nothing better than a product that has many uses, it saves money and space in my kit.