Here are a list of top 5 concealers - Concealers to cover redness, under-eye circles, pimples & even body flaws.

1. Conceal Redness:Laura Mercier Secret Camouflage
We love this concealer because it smartly comes in 2 shades so you can blend your perfect match (you may notice you need different shades for different seasons). InStyle magazine made it a ‘Best Beauty Buy’ for ‘06, because the pros say its yellow undertones help make it the best concealer for covering up redness. ‘It even works on broken veins,’ one makeup artist claimed. $28.

2. World’s Most Popular Concealer: YSL Touche Eclat
One of Yves Saint Laurent’s Touche Eclat concealers ($35) is sold every 20 seconds around the world.

3. Best Inexpensive Concealer: LOreal True Match Liquid Makeup
You’ll love how this lightweight concealer blends into your skin. Creamy, yet long-lasting, it won’t cake up on your skin.

4. Best Basic Concealer:Three Custom Color Specialists Creme Concealer
Makeup tip: To get proper concealer coverage, don’t layer it on & let as much skin show as possible.

5. Best Pimple Healer AND Concealer: Neutrogena Skin Clearing Oil-Free
If you have pimples & want them to heal while you cover them up, try a concealer with benzoyl peroxide, salicylic acid or sulfur. You’ll want to avoid makeup with mineral oil or petrolatum, which can clog pores, according to NYC dermatologist Brad Katchen in the March 2006 issue of InStyle magazine.
Extra tip: If you have pimples, apply concealer with a concealer brush. Clean brush between applications. A good cleanser is Paula Dorf Brush-Out Cleanser.

Resources from http://beauty.about.com/od/foundationsconcealers/tp/topconcealer.htm