“He anxiously touched his hair. "I think my hair gel's frozen.”

“That’s an answer in the same way that ketchup can be hair gel.”

“Even the trip throught the Portal had not disarranged Magnus's hair spikes. He tugged on one proudly. "Check it out", he said to Isabelle.
"Magic?"
"Hair gel. $3.99 at Ricky's.”

“What do you do to your hair?"
"Dust, hair gel, and a little gun oil."
"Ever thought of patenting the recipe?"
"No.”

“And in that one grey hair I saw my whole life and I said "I think I need a hair.”

“Has he come armed, then?” she asked anxiously. “Has he brought a pistol or a sword?”

Ian shook his head, his dark hair lifting wildly in the wind.

“Oh, no, Mam!” he said. “It’s worse. He’s brought a lawyer!”

“He made one of Antipater's recommendation a judge; and perceiving afterwards that his hair and beard were coloured, he removed him, saying, "I could not think one that was faithless in his hair could be trusty in his deeds."”

“I don't really care what people think about my hair. It's my hair, so why should they care? Ooh, that rhymed.”

“To be drunk in Moscow is like having a relatively common hair color. Can you fault a man for the color of his hair? I think not.”

“This is my child, he said. I wash a dead man's brains out of his hair. That is my job.”