If a guy smells nice that's the first thing that attracts me. Also they're style, if they are wearing wrinkled, dirty clothes or clean cut.
I first notice their eyes and their neck part. I also like when the girl has this boyish attitude more likely of Hayley Williams attitude. I am attracted by those kind of ladies/girls/women.
The first thing I notice is the face, hair and smile. I'm a sucker for a nice smile because I have bad teeth.
I look to their face and see how they react to our introduction first. Then I look to see how they are reacting to however the conversation is going. The face, and especially the eyes, can give a lot away about a person.
I usually first look on his face but not really. Oftentimes, I usually observed more on the manners if he is polite or not. Choice of words are very important to me. I don't like men who utter cursed words in front of other people, it turns me off.
I think the eyes, because it usually reveals the person's 'soul', if you don't mind this rather cheesy answer. But other than that, if the person is clean in general.
I notice a persons' smile first. Then...after a few moments...I notice whether or not they're 'awake' or if they function like a robot where they have no idea who they are. Some people seem to be dead inside and it's difficult to connect with them or their sense of humor if that's the case. I like to experience a 'soul to soul' connection.
First I check out their eyes and their smile. You can also feel someone's aura when you first meet them and that is the deciding factor whether this relationship might go ahead or not.
Hair, hair, hair. It's all about the hair for me. If you have the type of hair that I enjoy...it's all good. lol