Yep...thats clay..choking his chicken again..lol
Well....there you go.....if you want to get rid of the shadow do what he does....lol......
Here's a picture of him with the distinct shadow you're wondering about.
MAKEUP!
Here's how it's done:
Man, he is getting some nice head rubs there
I didn't recognize him with the hair. I agreed everyone is so used to him being bald from Smallville. I enjoyed the show very much. I agreed that he does look better bald.
THE SECURITY GUY AT THE MIAMI INTERNATIONAL AIRPORT..says WOMEN LOVE HAIR ON MEN! lol
real men have hair on their chests, not their head. 
Phew! thankful I have (some) hair on my chest