Since "PMU Editor" can refer to specialized software (like for clinics) or a photo-editing feature (like in an app), I have structured the content to cover both angles, focusing primarily on the professional software side. 1. What is a PMU Editor? A PMU Editor is a specialized digital tool (software or mobile app feature) used by Permanent Makeup artists and brow specialists to simulate results before performing the actual procedure. It allows artists to upload a client’s photo and digitally draw on eyebrows, eyeliner, or lips to show what the final healed result could look like.