A dirty glass surface can be an eyesore. While dust and germs tend to accumulate on glass surfaces, regularly cleaning them can help retain their shine and luster. To keep your windows, appliances, cupboards and furniture tip-top, the Colin Glass and Surface Cleaner is a must-have among your household cleaning products. Its new powerful formula effortlessly removes hard water stains, accumulated dirt and other tough stains. Colin Glass Cleaner and Surface Cleaner is an all-round household cleaner that keeps your glass surfaces looking like new. It contains vinegar as one of its main ingredients.