I thought Id share the progress shots of this particular painting to show my process and how I paint. It might not work for others but this is how I do it.
Colors used for skintone-opera rose, winsor yellow/aureolin, burnt umber.For hair, yellow ochre, burnt sienna and burnt umber. Lips-permanent rose, burnt sienna. For dress and background-permanent rose and burnt umber. Eyes-hookers green, burnt umber and Indigo.