When is it legally permissible for an esthetician to advertise their services?

The correct choice indicates that an esthetician can legally advertise their services as soon as they are licensed. Licensing is a crucial part of the regulatory framework governing esthetic practices, as it ensures that the practitioner has met the necessary educational and practical requirements established by state boards or regulatory agencies. Once an esthetician has successfully passed all requisite examinations, they receive a license that validates their qualifications and entitles them to practice legally. This licensure directly correlates with the ability to promote their services to the public.

The other options, while reflecting important milestones in an esthetician's career, do not serve as the definitive moment for the legal ability to advertise. Completing training and passing state exams are critical steps toward obtaining a license, but they do not grant the legal right to market services until the official licensure is achieved. Gaining work experience, while beneficial for developing practical skills and confidence, does not impact the legal status of advertising until the person is fully licensed. Thus, the ability to advertise is intrinsically linked to the attainment of a valid esthetician license.