Well obviously some do. A female friend of mine posted this on FB.
I KNOW it's only a meme, but the amount of women commenting on it agreeing is unbelievable. I've had 4 'angry' faces to my 'what a load of bollocks' comment. 
So there you have it - you're only a real woman if you don't wear nail varnish and never brush your hair. If you do, you're clearly doing it wrong.