The U.S. Air Force laid out new, more specific regulations in an Oct. 29 memorandum regarding grooming standards for airmen’s mustaches and sideburns.

The updated guidelines are in line with Defense Secretary Pete Hegseth’s memo issued Sept. 30 to establish uniformed grooming standards across the force, an Air Force spokesperson told Military Times on Tuesday.

“The new guidance mandates that sideburns must be above the ear opening and mustaches are prohibited from going beyond the corners of the mouth or into a respirator seal zone,” the spokesperson added.

Military Times obtained a copy of the Oct. 29 memo, excerpts of which began circulating Monday on the unofficial Facebook page Air Force amn/nco/snco .

“Pride in an Airman’s personal appearance and uniform wear greatly enhances th

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