Beauty salons usually offer a range of treatments including: massage, face peels, facials, pedicures, manicures, waxing, tinting, spray tans and laser treatments.
You don't need to wear anything special to a beauty salon for treatment. If you need to change clothes for treatment you will usually be provided with a robe or gown to wear during treatment.
Two key things: Turn up on time for your booked appointment and make sure your phone is turned to silent as to not disturb others.
What you study and what qualifications you need will depend what what you would like to work in. Most tafes will offer a range of certificate courses in beauty therapy that can be completed to get you started on your beauty career.