Cologne scent diffuser – classic freshness that you can feel right away. There are scents that are not trendy – they are classics. The scent of Eau de Cologne is exactly that: clean, light, fresh – and conveys a simple and pleasant quality that everyone feels comfortable with. When you install an electric scent diffuser with a Cologne scent, your business feels brighter, neater, and more inviting. What is a Cologne scent? The original Eau de Cologne includes a refreshing blend of: