Quick Overview Chemical Guys Glass Only Foam Glass Cleaner is all about providing you with clear results. With a few sprays of Glass Only Foaming Glass Cleaner, dirt and debris simply disappear. The advanced foaming glass cleaner decontaminates the area fast, and reduces static cling to help repel future dirt and dust. While generic window cleaners leave streaks and harm window tint, the foaming formula of Glass Only restores streak-free clarity without staining or damaging tint films or clear plastics.