I do mine with 3 in 1 oil plastic "can" to avoid scratching the paintwork, about twice a year on a good dry day. I'm no expert on it but it all seems to seep away. I do the rear wing joint too.
Richard
2009 4/4 Sport Henrietta 1999 Indigo Blue +8 2009 4/4 Sport Green prev 1993 Con Green +8 prev
