This was happening with Ziess lens cleaners which is a HUGE deal because counterfeit lens cleaners don't use isopropyl alcohol to clean. They use ammonia (like

This was happening with Ziess lens cleaners which is a HUGE deal because counterfeit lens cleaners don't use isopropyl alcohol to clean. They use ammonia (like windex) which destroys lens coatings. At least stores like Walmart (not counting their online which is a marketplace like Amazon) vet the in-store products.