Risk areas for smear infections in public transport stay generally unnoticeable for passengers. However, touching a handrail can be similar to shaking hands with a thousand people. Although prior research looked into self-cleaning materials to tackle such issues, little has been done to make touched areas more transparent to passengers. In this work-in-progress, we present our idea of “Safe-to-Touch”, a handrail indicating prior touch points until completed self-cleaning. We prototyped a first interactive version and introduced the idea, including photos of it, in an online survey with 52 participants. Our preliminary results showed that 98.1% of participants would probably change their touch behaviors according to our handrails’ indications and would appreciate the increased transparency.