©2026 Hairline Illusions™ The word 'certified' gets thrown around a lot in this industry. But what does it actually mean when you complete a wig course and receive a certificate? Let's clear up the confusion. Why We're Writing This Every year, hundreds of students apply to our intermediate and advanced courses at HIASTI. Many tell us they're already 'certified' to start a medical wig business. But when we ask what they learned, the gaps become clear. They can't start a medica