User blog comment:Aijihi/Least-Favorite Pretty Cure Design/@comment-25315805-20170317154640/@comment-27636373-20170317200736

Wait, I think I know what it is. The HaCa seasons MCs all have such similar hair where as in GoGo and Smile the hair is vastly different, making their outfits seem more different than they are, since we focus on their faces, and thus hair, more.