How to remove flash glare on face?

Any advice on how to remove the camera flash glare from this man's face using Photoshop CS2? Any advice would be appreciated.

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I'd star by trying the rubber stamp tool. I'd have it fairly large and would have it set to about 35% opacity. I would sample from the non glare area and clone it onto the harsh reflections. You might want to use a lower or higher opacity as each image requires a different approach, but by using something in the 35% (or lower) area you can build it up until you are satisified.

I would probably leave a little of the flash reflection as covering it up completely may look funny, but again that's and image to image decision.

Use the clone tool, set the opacity to about 30-50% (depending on the results), use a soft brush and also set the blending mode to Darker, and it'll only affect the pixels that are brighter than the sample area (sample often though, so you dont move over a new texture or darker area).