Lens manufacturers say that anything other than a microfiber cloth will damage the coatings on a lens. But microfiber cloths eventually pick up crap and they look like they’re a pain to wash.
How do you keep your lenses clean? Are you using cloth/kleenex or microfiber cloths? If you use microfiber cloths, how do you clean those?
I use a microfibre cloth my optometrist gave me along with the glasses. When it gets dirty I run it through the wash with my clothes. I have an anti-glare coating on my lenses, so I don’t use any chemicals, even just dish soap.