The plastic gel Sonax my expectations more than exceeded. The Ford Fiesta my wife after a few years, the door handles were faded. Speak from deep black to light gray! Very unpleasant especially after polishing the car's.
After the first cm, apply the result was visible. Again black door handles! The application I've made as a precautionary measure 2 times. To the morning and evening go to ensure that does not disappear after 1-2 hours and the effect again.
Even after washing in a washer see the handles and other exterior plastic parts still like new.
The application itself is very simple since it is in fact a form of gel. I have it applied with a normal cloth, allow to dry and the residue out polished a bit. If you do not do it shows a slight haze in the plastic, which is not but also does not interfere looks beautiful.