Maxis?/Maxin? - Smoothing Conditioner! It comes in an orange bottle and it leaves hair unbelievably soft and mangeable (: i love it! Best of luck!
Dove is great for any type of hair. Pantene is rough on the hair, so I don't recommend it. I don't think you need something specifically for black hair, but if you really want something, Aveda Black Malva is gentle enough.
you can use any conditioner as a deep conditioner. All you need is a shower cap...or plastic wrap...put the conditioner on, cover your head to keep in the moisture, and leave it on as long as you like! If you have a hood dryer it always good to sit u...