I just got a new Concealer Set, how dose it work?

I Love make-up and I just had to have this Concealer Set. Just one thing... How dose it work. What do all the blues and yellow do? and How do you know when to use them?I just got a new Concealer Set, how dose it work?
you base it on the color wheel for example green is the oposite of red so you use green concealer to cover up red spots like zitsI just got a new Concealer Set, how dose it work?
Mostly green concealer is used for red acne scars/zits/pimples/rosasca. (Remember to apply a light layer).


The light concealer is used for dark circles and dark acne scars.





HTH

nortan