Ponytails and lipstick: Sweeping changes to Army grooming standards are coming January 26 A female fire support officer with 4th Infantry Division conducts a call-for-fire during an artillery shoot south of Kandahar Airfield, Afghanistan, in August 2014. (Staff Sgt. Whitney Houston/Army) Soldiers of all genders will be allowed to have highlights that blend with uniform colors; women can wear long ponytails during training or even shave their heads if they want; men can wear clear nail polish; and terminology that some may find offensive such as Mohawk, Fu Manchu and dreadlocks will be removed from Army regulations Those changes, and more, are slated to come into effect Feb. 26, Army officials said Tuesday, giving the service time to create imagery and memorandums to help solders and command teams understand the new guidelines.