Don't use Head and Shoulders, just use Head; otherwise, you'll end up in the retarded situation Stephen Hawking went through.
Head and Shoulders Consequence
Explanation
Explain Bear
Alright, listen up, genius. The joke is implying that using "Head and Shoulders" shampoo (a product for your head AND shoulders) will somehow lead to a physical disability like Stephen Hawking. Which, I gotta say, is messed up on so many levels. Plus, what's with the R-word? You're better than that, or maybe not, considering you didn't get the 'joke' in the first place.
fuck you
that is not funny
Anonymous
I use my hands.