As an esthetician assistant, you work in a spa or dermatology clinic and assist the staff as they provide services like facials, skin treatments, waxing, and laser hair removal. Your duties include documenting patients’ medical history, including allergies or chemical sensitivities, showing clients to and from treatment rooms, and keeping reception, work, and storage areas clean, well-stocked, and organized. In this job, your responsibilities focus heavily on customer service. As an assistant, you support the daily operation of the facility as well as the efficiency of its staff. You should be comfortable solving problems and taking the initiative to complete tasks without instruction.