Khloe, who recently gone blonde, said she cannot change her hair colour often like her sister does, reported E!Online.
"I've always been ombre, well not always, but a few years now. And I was just like, I'm kinda over it, it could get orange easily. So I went a little lighter and then, just a week ago, I went even a little lighter," she said.
"I need a root because I can't be like Kim, I can't go all one color. It's very fashiony for Kim. She was getting her hair colored like every few days. I don't have the energy," Khloe added.