MAC Fix Plus Makeup artist Caitlin Callahan on the MAC products you should own. My daughter convinced to buy this. It really does keep your make-up in place (except lipstick, so carry a little make-up bag with you if you are going out.
Make your own makeup setting spray. You can make a gallon for about 5 bucks. Dry skin: 1 part pure glycerin to 2 parts filtered water. (Can add rose water if you have redness nice scent too). Mix & put in spray bottle.