Creative Ice media group rate comment and subscribe Read more for full guide. Step 1: Open your image into photoshop and unlock the layer. Step 2: Using the clone stamp tool pressing ALT click on a clear part of the skin. Step 3: Start clicking away on the acne constantly re doing the ALT and click ( try to ALT +click as close as possible to the acne.) Step 4: When done, Duplicate the layer and press CTRL + U to open the hue/saturation menu and slide the saturation to -100, then choose soft light on the layer mode.