Just blind the Brits...
When I cross to the Continent I out on a mask as I have a lens (on Xenon
lights) which I get at the Shuttle terminal in Folkestone. In the past I
have also bought same at a petrol station in Dover docks. Don't know how it
works going the other way.
The pack contains the mask and a knife to cut the right shape (instructions
How/where are you crossing the English Channel?
If you have no lens, then a mask is not much use.
For direct contact replace nospam with schmetterling