A while back I believe it was FHM who made a thread on this process, which I turned into an action for photoshop. It was requested that it become 3 separate actions instead of 1 with suggestions on sharpening more. The action doesn't seem to work for all instances, but it's saved
me time for sure. It's 3 separate actions inside of a folder, 'Lab Sharp', 'Lab Sharper', 'Lab Sharpest'. They ...