For the best results, I usually rinse the bike with cold water first then apply the stuff, leave for a couple of minutes, agitate with a soft brush where the dirt is stubborn if necessary and then rinse off with cold water again.
Cheers for the heads up on these... Like yo say, exactly the same as Muc Off except that's £7.99 a bottle !! So grabbed 3 of them... Tight, moi ? #BargainHunter