We do not do this - advice to do so has never been given in Denmark.
We use hand sanitiser before going into the shop whenever one of us goes shopping, after we have put on a mask, and wash our hands when we come home.
Neither of us has caught the bug yet.
🦞 The Lockdown Gang still chatting 🦞
Reducing contact because my heart just isn't in it.
Is Trump's Pointless War Still Rattling On And On And On.......
yes, you are right though - he was offering with the best intentions and I shouldn't moan! 
and like others, I find it's become a ritual. Things that can't be wiped, like bags of flour, just get left for a couple of days, or decanted and the bag put into the fire or the recycling bin. Our supermarket is good with sanitiser for the trolleys and the hands, and as I go very early, I feel safe.