You will need: A simple foundation. A basic eyeshadow pallet

Cover the area you want the bruise to be on with a light coat of foundation

Using some green...

Draw a faint "c"

Using a brown...

Go over the green lightly

Using a red...

Surround the "c" lightly

Using a darker green

Generally cover the "c" so it becomes an "o"

Taa daa! Your done!

This is super easy to do, and there's no right or wrong, so why not have a go?