On the leaflet thingy I got through my door, it shows pictures of 3 types, factor 10 n 6 and another factor 10. Can't quite read the writing too well, but looks like one lot says Dry Oil, and the other says Protective oil.
Anyway, I got bothered (off me bum) and looked up the web site for ya all
Here...
you can find your nearest store from here.
cheers.