Naturally Green Products Glass Cleaner Concentrate is “green” formulated using “green” chemistry. Glass Cleaner Concentrate cleans more than just glass and delivers exceptional performance without streaking or clouding and uses no harsh chemicals. Naturally Green Products Glass Cleaner Concentrate is a fragrance free product that is safe for the user and the environment. Dilute Glass Cleaner Concentrate as directed for optimum results and cost savings. Naturally Green Products Glass Cleaner Concentrate is great for use on: glass, lexan, plexiglass, and other hard surfaces. This product is concentrated.