Skin obsessed !

[cement]

how I do that-
1.create new layer- 50% gray fill
add noise - monochromatic (maximum- 400%)
set layer mode to overlay and ajust opacity
you can apply blur to make grain softer.

2.create new layer from you photo
add noise - monochromatic (maximum- 400%)
set layer mode to soft light and ajust opacity
you can apply blur to make grain softer.

[videosean]

Could somebody please point me to any tutorials or explain what you mean by:-
Adding false texture
50% grey layer

What I did and the images it makes:
File->New Document, 800x600 pixels, white, rgb
Fill with a gradient - because plain white is just too boring.
http://img184.imageshack.us/img184/5761/rgbqd1.jpg
Create New Layer (ctrl+shift+N)
Fill with 50% Grey (shift+F5, select 50% grey from dropdown)
Filter->Noise->Add Noise (400%, gaussian, monochromatic)
http://img295.imageshack.us/img295/375/noisekr3.jpg
Changed Blending Mode of noise layer to Darker Color (new in CS3)
Set Noise layer opacity to 25%
http://img295.imageshack.us/img295/4273/addgrainsj3.jpg

50% grey is a sort of magic value that turns transparent for things in Photoshop like layer blending modes and layer masks. Also known as 128,128,128 (RGB values).
For our purpose here, noise is equivalent to grain or false grain.
I've basically added false texture to my original rgb image here.
I'll let others that are better at explaining explain better if needed.