Windex Facts -
Things to never clean with Windex - Leather, “Do not use Windex
on leather furniture; its alcohol content can cause permanent
discoloration.”
Copper, “The alcohol contained in Windex will affect the patina of the copper and could cause permanent discoloration."
Granite or marble, “Windex should not be used on granite or marble kitchen tops. Cleaners like Windex can etch or dull the surfaces of natural stone.”
Laminate countertop or glass top stove, It’s important to note that original Windex offers no disinfecting or cleaning properties."
Grout, Want the grout in your kitchen or bathroom to be white and bright? Do not reach for Windex—it will not lighten up the lining between your tiles.
Bathtubs, Bathtubs, showers, and toilets are other areas you will want to scrub down and disinfect and not with the original Windex.