Shampoo Cleans Up Ranma realizes that Akane is suffering from selective amnesia, as she only has no memories or recollections of just Ranma. He ends up consulting Dr. Tofu on what Shampoo might have done to Akane during their fight, and Dr. Tofu explains that Shampoo used the infamous Shiatsu technique. Genma, who was passing by, witnessed the entire ordeal. He explains that the technique involves applying various shampoos and other Chinese medicinal herbs on the head at certain acupressure points in order to erase selective memories...