The Novel Electrolyzed Water Spray Treatment Mild Senile Groin Eczema, Neurodermatitis and Psoriasis

Study staff will use the novel electrolyzed water spray device and spray for approximately 5 minutes on the participant's diseased area until half a bottle (200ml) of water is used. The patients use electrolyzed water to treat the diseased area, two times a day, for 10 days. The trial consists of 10 study visits (day 1-day 10). The relief of mild senile groin eczema, neurodermatitis and psoriasis evaluation and adverse event assessments will be performed at each visit. Safety analysis will be assessed based on the reports of adverse events during the study.