To tire shine/gloss or not?

I don't believe for a second that tire dressing hurts a tire, but once you start you have to keep up with it if you want black tires. Every dressing I've used seems to turn the tires brownish when it wears off.

Any products that don't do that I'm all ears. Like Armorall the tires sometimes but I'm not out shining tires every few weeks....