I try to keep my phone (Galaxy S2) as clean as I can but frankly the past few weeks it’s been getting pretty grubby, and no amount of microfibre-polishing the glass seems to stop it feeling slippery.

Then this afternoon I used an iso-propanol screen wipe on it.

Massive change. Greasy feel gone, slight finger-drag is back, still picks up new fingermarks but after polishing it still feels “better” than before.

So – at least with this phone – the screen seems to appreciate a careful deep clean, occasionally.