I tried a wash with thinned down paint at this stage. I'm not sure I am happy with the results.

Just to mention the colours I am using. My paints are all Vallejo 'Game Color', although I do have some of the 'Model Color' range as well.

Over a white spray primer
for the skin: Ice Blue* as the base, with a wash of Electric Blue
The skin nodules are Magic Blue and I plan to highlight with Electric Blue
For the hair: Bonewhite with a very weak wash of Skin Wash**
For the loin cloth: Inner sections were done in Cobra Leather and the fur edging was done in
Charred Brown.

*The website lists this as Glacier Blue
** This is 'Game Ink'