Fawkes Rev Prolan is not only safe to use on rubber and paintwork, it also provides UV protection and prevents them from drying out.
From rust to rest
Fawkes Rev Prolan can be applied directly to (rust) stains. It neutralizes them and prevents further rusting. Your brown metal will gradually turn black.
From care to peace of mind
Fawkes Rev Prolan can be used with almost any other type of rust protection already applied and reactivates it.