Yes, it is distinctive. Yes, it is impressive, if one uses the word strictly.
Yes, it is gross.
It should stop being the focus of commercials. There's an Under Armour advertisement out now that implies that every young football player wants to be Mr. Polamalu, complete with tattoos and grody hair. Well, false. Plus he ruined the Mean Joe Green Coke commercial for everyone.
And the Head & Shoulders ad? I already thought your hair was disgusting, man. Don't make me picture dandruff.