Most Helpful Guy
I know I'm a bit late to this one, but I actually recently asked a similar question, and here are my thoughts.
Wearing makeup, to me, seems a trifle unreal. Like, it imitates the austere beauty of a doll. And while I believe it can still be found beautiful, it's more like an objective beauty than anything to the merit of a person.
I find that when girls don't wear makeup, they appear immediately more vibrant to me.