It has been well looked after by its previous owner, and the plastic is still black, so just something to give it a bit of gloss really! Its no problem having to reapply every time I wash it, bit some stuff seems to go a bit streaky after a few days, especially if its wet out
As mentioned above. Autoglym Bumper Care is great stuff for exterior plastics. I know Autoglym stuff isn't very fashionable on here, but it's cheap & easy to apply (Put on a cloth first). Worryingly, I love the smell of it too.