Dwayne 'The Rock' Johnson Reveals the Disgusting Origin of His 'Hercules' Beard

It's VERY gross!

— -- Dwayne "The Rock" Johnson stopped by "Live with Kelly & Michael" today to talk his new movie, "Hercules," out Friday.

He revealed that the film was actually the first project he pitched when he arrived in Hollywood 14 years ago.

But, he admitted, he didn't "have the clout" back then to get it done.

Read: The Scene From 'Hercules' That Made Dwayne 'The Rock' Johnson Black Out 8 Times

Well, look how far "The Rock" has come!

He also revealed the origin of his glorious beard in the movie, as he explained that it took more than 3 hours to get ready to film every day.

It's the hair from a yak's testicles, Johnson said -- "the softest, yeah."

"It’s the commitment to which I will go to" for a film, Johnson added.