I have dabled with all types of make up brands...clinique, mac, este lauder,channel you name it! And I have found that the best way to apply foundation is achieved by airbrushing and I don't mean the products in a can which are expensive and don't achieve nearly the same results you will obtain from an air gun. I purchased my air gun system from Luminess Air (the company is a pain to deal with and i don't recommend enrolling in the automated shipment system as they tend to double bill and send you more make up than you truly need). There are other companies such as Dynaire and Temptu which sell the guns but since i purchased my gun from Luminess Air I cant can't vouch either way for their guns. The initial cost of the equipment can be a little steep (try looking on ebay for more affordable equipment) but think of it as an investment for a greater good which is mainting healthy skin.
There are many waterbased mineral foundations available to use with an airbrush gun (even though Luminess will tell you you will lose your guns warranty if you use other foundations) Stick to waterbased foundations and you will be just fine. My favorites are Luminess air (but can be pricey) so I tend to purchase the Temptu Aqua Pro. The Temptu Aqua Profoundation tends to be a tad thicker than Id preffer but I easily solve this by diluting it with water which works like a charm and doubles my product supply.
Some of the benefits I have reaped from using airbrush make up are:
Flawless coverage....it is amazing how great airbrushing works on scars and how well it hides imperfections. It's almost like a wand that erases all your concern areas.
less irritation...hands off my skin have meant less irritation
no contamination...hands off the product and off my face keep contamination of the acne bacteria at bay.
I highly recommend it.
Hope this helps.