The fascinating journey of electrotherapy, from its primitive origins in the hands of ancient civilizations to the sophisticated microcurrent treatments of today, has been a testament to humanity's relentless quest for healing and rejuvenation. This article sheds light on the major milestones in the development of electrotherapy, the pioneers who made significant contributions to the field, and the myriad of applications in modern aesthetic treatments. It dives into the compelling science behind different electrotherapeutic treatments, including TENS, RF, Cavitation, Ultrasonic, and Microcurrent therapy. Moreover, it offers a glimpse into the exciting future of this continually evolving field, promising more effective, efficient, and tailored therapies for everyone.