Step-5

Enhance Highlights and Shadows.

Create a new layer at the top, fill it with gray color(#808080) and set blending mode to “overlay”

Using “Dodge tool(O)” and “Burn tool(O)” paint over the image to improve highlights and shadows respectively.

Step-6

Group all layers (ctrl + G) except the background image and the original man image.

Name the grouped folder as “effect1”.

Using the brush provided in the link, mask out the unwanted areas of effect1.

Step-7

Lets add some shadows to the edges of the skin.

Go to “effect1” folder layer, Ctrl + left click on the mask.

Create a new layer at the top and fill the selection with gray color (#808080) and set blending mode to “overlay”.

Add layer effects : Inner shadow and Outer glow with following properties.