Here's how i did it:
1. Chose your photo.
2. Select the Polygonal Lasso Tool
3. Draw a path around the skin areas
4. Head to the top of the page & click on the Select Header & then on "Color Range".
5. Click in the skin area on photo (left hand side photo here).
6. Change picker tool to the one with the + sign & continue to click on the skin until you reach this effect. press OK
7. Click on the Select header again & click on Save Selection
8. Call this layer "Skin". Press OK.
9. Deselect skin
(Command D)
10.Click on the Channels section.
11. Delete channels RGB, Red, Green, Blue.
*Note: To save out as a Jpeg you will need to copy & paste the image onto a new page & flatten. Save As Jpeg.
**Other options for funky portraits.**
If you want to try some other options for extreme portraits you can try deleting channels & leaving the combinations below:
Blue/Green
Red/Blue
Red/Green
Or just leave one:
Red
Green
Blue
