Maybe it’s the clothes he wears, or the way he combs his hair.
It’s real.
Megyn Kelly interviewed him just after he announced, she questioned it and he let her check, she raised that front edge and they showed a shot close enough you could see the hairline. She verified it was not a toupee.
It’s his real hair, just a bad job of combing it over...I’m not sure if he’s bald on top, he’s always had a strange looking hairstyle.