If used on a daily driver which doesn't get garaged I think you'll be lucky to see past a month. A good thread to feedback on in terms of the durability you experience first hand.
Re the Civic arch trims, try some nut oil or peanut butter - seriously! It has a good restoring effect on uv faded plastics acting like a moisturiser![]()
I shall be giving that a go, before I shell out £22 for the G-Techniq C4 restorer , thanks for the Tip


, and I am a authority regarding nuts