How to : Change Hair Colour

1. Open a file

(picture was taken from kantal0upe.tumblr.com/tagged/perf)

2. Click on the quick masque mode (or press Q on your keyboard)

 This button   and when you click it, it will turn in to this 

3. Select the brush toolor press B on your keyboard
4. Select the brush size as you want ( you can change it while you're painting it too) and paint the hair
   area. The selection area will be red

5. Then use an eraser tool (or press e on your keyboard) set up the eraser size and then  to         erase the unwanted part

 

6. Click the quick masque mode again () and then it will make a selection

7. Click Select > Inverse or  ctrl+shift+i (or command+shift+i on mac) to inverse the selection

8. Click this button  on the layer panel to create new layer 

9. select the hair colour you want on the foreground colour

10. Click Edit>Fill and choose foreground colour and press ok (or alt+delete for quick way)

11. Press ctrl+d (or command+d on mac) to deselect the selection

12. on the layer panel choose the effect to be hue or color

13. In this case, I choose color. you can also change the Opacity 

*tip* if you want to change the hair colour and don't want to redo everything click Image>Adjustment> Hue/Saturation or press ctrl+u on your keyboard and change things around!

14.you're done!

you can use this technique to experiment on hair colours before you actually dye your hair!