"I try like hell to hide that bald spot folks, I work hard," Trump quipped during a speech to conservatives just outside Washington, in an unusual flash of self-deprecating humor.
"It doesn't look bad, hey, we're hanging in," he added, giving a swirl to the cheering audience.
Trump's elaborate combing regimen has long been the butt of jokes and speculation.
A tell-all book about Trump's White House claimed his daughter Ivanka was in the habit of describing the mechanics of the combover to friends:
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