Adjustment layers are essential when taking an image into photoshop to give it that little extra something. But did you know they can be extremely powerful for retouching? When retouching an image professionally, it is important that you edit your photographs until they are flawless. This includes editing problems in the image that may not be visible on your monitor. Thanks to the crazy photoshoppers at photoshopfreaks.com, this tutorial on using adjustment layers as “check” layers for retouching is sure to work in your favour. Enjoy and happy photoshopping!