Which professional objective on a résumé is more formal?
I seek a position in the beauty field with an emphasis on client relations and sales. I would really enjoy being a makeup artist and selling makeup, too.
Informal writing is typically used in casual situations or when communicating with someone you know well. Informal language often expresses familiarity and tends to sound more like speech. It uses more conversational language, such as slang, idioms, abbreviations, imprecise language, and contractions.
Formal writing is typically used in academic and business writing or when writing directly to an authority figure. It tends to be more courteous and impersonal, avoiding overly familiar or conversational language.
Compare the following sentences.
Informal: Yeah, ostriches can't fly, but I think they're awesome.
More formal: Ostriches may be flightless, but they're remarkable runners.
Most formal: Though flightless, ostriches are remarkable runners.
The second professional objective on a résumé is more formal. It uses more elevated language (a position in the beauty field, an emphasis on client relations). The other professional objective sounds more imprecise (really enjoy) and conversational.