If there is such a thing called a "normal way of working" then this is the process of initial drawing of the portrait

How to prepare the canvas for work with oil paint

Let's start with the fact that there's actually no such thing as skin color. There is a skin tone.

Let's better understand the difference between oil paint and pastel.

The language we use daily to define color is unclear, and as artists, we need a much better way to define it.