STAINZ' OUT Glass Compound GLÀZ® Stain'z Out™ is a heavy duty stripper with fine scrubbers that strips out dirt, bugs, oil films, watermarks, and heavy residues for an ultimate streak-free and scratch-free clean. Use it to clean glass and windshields for perfect road visibility. It also improves glass smoothness and prevents wiper skipping. GLÀZ® Stain'z Out™ is suited to surface preparation when using GLÀZ® STAIN GUARD™ . GLÀZ® Stain'z Out™ is well-matched to automotives, boats, homes, and buildings with glass surfaces such as mirrors, windows, shower doors, glass tops, and more. Easily removes stain and oil film. Improves glass clarity. Smoothens wiper performance.