What it essentially boils down to in Photoshop is using a bleach bypass process (there's dozens of ways) and this visual effect has been around for many decades. Then I'll add back in the color, sharpen and sometimes use a high pass or emboss layer on a duplicate layer in overlay model. Finally it comes down to hand touch-ups with the dodge/burn, smudge and clone stamp tools for key shade/highlight enhancements and fixing those overcooked areas.
In this image, Angela Jolie has an extremely airbrushed look, so I will use an embossed layer and some tonal contrast work in addition a bleach bypass process.

I intentionally exaggerated the effect so you can see how intense it can be. Texture, grain and noise filters are also useful, if the skin is completely void of details.
Applied a noise reduction filter to the above image:

Here's a couple other examples in which I used the bleach bypass process:


Additional reading:
Improving Local Contrast with Unsharp Mask
PhotoCreate A Skin Texture In Photoshop
See also: FreakingNews Tutorial: Easy High Contrast Textured Skin Effect
Happy Photoshopping...

1 comments:
Oi. Parabéns por seu excelente blog. Gostaria de lhe convidar para visitar meu blog e conhecer alguma coisa sobre o Brasil. Abração
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