PXP Professional Colours and Superstar Metallic Face Paint
Here is an option to shop for face paints by Metallic colour. Scroll down or pick a colour from the list to see all Metallic colours choices in different sizes.
Face Paint from 10g are small enough so that you can try out Metallic colours with out having to buy too much facepaint. Large single pastel colours are for when you need a lot of one colour.