As long as our society values outer confidence and feeling like we are looking our best, people will flock to hairdressers, barbers, nail salons, and other beautification businesses. Aestheticians are trained and state-certified to learn industry-standard techniques that are both sanitary and effective. Highly skilled aestheticians are also talented at establishing and maintaining meaningful relationships, as your best clients are those who feel comfortable coming back to you time after time. Aestheticians require specialized training after high school.