Face

You want to start by applying foundation. It helps smooth and eliminate blemishes.
You can instead apply concealor as that is a spot treatment and normally not used for whole face.
Next would be your contouring, then your powder.
You want to apply powder to your t-zone first to help eliminate any shine
spots. Powder also helps to set the foundation.
Next you can add highlighter to help highlight any
areas you wish.
Then add your blush. You only want to add it to the
apples of your cheeks.
Here is a link to a great website that has a great deal of information on contouring!
Contouring Help
Home Face Eyes Lips