(1) Background: Hand hygiene with chemical disinfectants is an important measure to reduce the spread of infections. but frequent use can cause skin irritation. In recent years. it has become widely accepted that visible light can also have an antimicrobial effect. https://dmtcpptfr909.nizarblog.com/35080200/consumers-behaviour-of-students-when-shopping-for-organic-food-in-the-czech-republic