I use Zeiss disposable wipes. It's packaged like alcohol pads. With each wipe I'd wipe the lens and my glasses while I'm at it. Each wipe probably costs around 10 cents. Worth it or not is your personal decision. It makes things easier for me.
5DMK3, M5, 24-70 2.8L II, 16-35 F4L IS, 100 2.8L, 70-200 2.8L IS II, 35F2 IS, 135L, 70-300L, 70-200L F4 IS, 600EX-RT x2, EOS M IR converted, efm 11-22, efm 28 macro, efm 18-150