Left unattended, interactive kiosks can get dirty, inadvertently turning off potential users. Read about best practices for keeping a kiosk clean.
One takeaway — A best practice example would be to adopt the same cleaning schedule as your customer counter. In the morning wipe the kiosk touchscreen with something like Easy Screen and ideally at the end of business wipe it again. Every day. Also any contact points, and while you are at it, do your mobile phone too!