I usually clean sunglasses by spraying alcohol and wiping with a paper towel. Ph...

		Const-me on July 14, 2022 \| parent \| context \| favorite \| on: How I clean my glasses I usually clean sunglasses by spraying alcohol and wiping with a paper towel. Pharmacies here sell that liquid in small plastic bottles with spray nozzle, the liquid contains 70% ethanol, 30% distilled water.

I would expect that to destroy many coatings.