How to Make Up a Mature Eye

The idea behind making up a "mature" face is to not go too overboard. You don't want to appear as if you're wearing a lot of makeup. So start with a light hand and apply extra coats as need be.
When it comes to the eyes, decide how much you want to play them up. If you want a light touch, simply sweep a neutral color over the lid to the browbone and apply an eye pencil to the lower lashes, smudging them a bit so they don't have a harsh line. If you want a bolder eye, apply a darker contour shadow in the eye crease, making sure to blend, blend, blend the color in. You can follow up with a highlighting color on the brow bone, but I usually skip this step because it can look unnatural.
Step back and look at your eyes. If you need more definition on the top lid, apply a liquid liner right at the lashes. If you have light skin and hair, don't go darker than brown or gray. If you have darker skin, you can get away with black liner.
Get more eye makeup tips in Eye Makeup Tips for Older Women.

Brighten Up a Dull Complexion

Another beauty trick I swear by is adding lightness to the face using highlighting pens. Simply take a highlighting pen (I love Yves Saint Laurent Touche Eclat Concealer) and, keeping your eyes on the mirror, lower your chin. Take the pen and swipe it on all the dark lines on your face. These are usually along the nose and right under the corners of your mouth. Lift your face up and apply a couple swipes over each brow. Blend the color in with the pad of your fingers. The illuminator will literally "lift" your face.
Step back and look at your appearance. You should look more refreshed and awake. I give more instruction on this in How to Use Illuminating Makeup.

A Little Color or Sheen on the Lips Goes a Long Way

I once knew an older woman who only wore lipstick. No mascara, no foundation, no powder or concealer. Only bright red lipstick. And she looked flawless. Of course it helped that she had great skin and naturally long lashes that skirted the most intense blue eyes I'd ever seen. But it was the bright red lipstick was the pop that made her look. She chose a color that was flattering to her skin tone. The interesting thing was the red lipstick made her silver gray hair and blue eyes pop, too. Just absolutely beautiful.
Now I'm not advocating we all go out and adopt this signature look. But it does prove a point: lipstick can really make or break a look. Too dark lipstick on a heavily made up face can look clownish. If you've made up your eyes heavily then go light on the lipstick and opt for a gloss or light shade. You can go for a bold lip, but if you do, play down the rest of your makeup. A classic combination is the smokey eye, neutral lip look. Another classic combination is a light pink lip and a natural eye. You can do a red lip, but keep the eye makeup and blush to a minimum.
See Lipstick Tips for Older Women and for more makeup tips for mature women, don't miss Older Women Makeup Tips.