Microblading is a hot new beauty trend that involves tattooing your eyebrows for a more defined and fuller look. Thousands of women have done it safely each year. So Inside Edition's Chief Investigative Correspondent Lisa Guerrero was excited to give it a shot, recording the entire process from start to finish to share on her YouTube channel. The procedure involves slicing the skin with a razor-sharp blade and implanting ink under the brows. Guerrero went to a registered nurse and made sure she used new, sterile blades. But a few days later, things went really wrong.