“…They include the JANUS Facial Analysis System (PSI Co. Ltd., Gyeonggi, Korea), Robo Skin Analyzer CS 50 (Inforward Inc., Tokyo, Japan), and Mobile Smart Scope (Moritex Corp., Saitama, Japan). 2 We used the DermaVision™, which non‐invasively analyzes various lesions of the facial skin. The machine takes cross‐polarization, parallel polarization, and UV light images .…”