The US tour may be asking players to watch their overall appearance, but rising star Rory McIlroy has no intention of cutting his hair "until somebody tells me to".
The 19-year-old's curly locks were last trimmed in "July or August" and, given his rise up the rankings from 172nd at the end of August to 15th this week, he is superstitious now about a trip to the barbers.
"I'll lose all my power," McIlroy joked on Wednesday.
His first tournament in America will be the Accenture World Match Play in Arizona in two weeks' time.
Rick George, the PGA Tour's chief of operations, said earlier this month: "We just want the players to be neatly groomed and there are a lot of ways to interpret that.
"It's more of a guide than a policy. There are no parameters, per se."
The European Tour also asks players to "present a neat appearance in both clothing and personal grooming", but length of hair is not mentioned.
The only things specifically listed as unacceptable are jeans, shorts, trousers tucked into socks, shirts worn outside trousers and "collarless, sleeveless shirts of a transparent material/design".
McIlroy has been at home in Holywood near Belfast since his maiden professional victory at the Dubai Desert Classic on February 1, and because of the bad weather is itching to get on his travels again.
"I've not had much chance to hit balls, so I'm definitely looking forward to going back to the sun," he added.
He should see plenty of that in the coming weeks and months. He does not play in Europe until the Irish Open in mid-May.
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