I bought a full (very expensive set from Look Fabulous Forever and the only bits I really use are the concealer occasionally, the primer, which is lovely, and the blush. It's v expensive.
Here's my routine:
For face creams I use the Body Shop's Drops of Youth Concentrate as a serum, then the Youth Cream - it's lovely. let it set for a moment or two, then pop some primer on (either the LFF or the Body Shop in the Drops range).
Then I pat a little foundation on with my finger over the red or blemished bits of my face - pat, don't smear! I use either Clinique Redness Solutions or Max Factor Liquid Touch Liquid Illusion.
Finally I get a massive kabuko brush and swirl it into a box of Magic Minerals and then buff it onto my whole face - that sets the little bit of foundation and evens everything out.
For actual make-up, all I do is tightline my eyes (http://www.wikihow.com/Tightline-Eyes), and use a little bit of mascara, followed by a Lipstain lipstick (different shades available from Amazon) - stays on for hours!
I'm 58 and I think I look OK 