Paintwork is a mix of acrylics for the flesh and enamels for the rest.
She is supposed to be a blonde but
I have more a personal liking for brunettes.

Tamiya acrylic flesh was airbrush applied as a base,
the shading was done purely with fine ground pastel chalks.

From the look of the box art,
I think the maids uniform should be PVC of some such material
so an ordinary enamel semi-gloss black was used.