Hey Keschian,
There are a lot of great protein conditioners/reconstructors out there that can do a great job for you. I love Aphogee because it's great for extreme breakage, but I don't use it very often. I only use it if my hair is really in trouble, ex: a lot of breakage. The recommended moisturizer after the Aphogee treatment is the Aphogee Balencing Moisturizer.
For regular maintenance I use Nexxus Keraphix, Affirm 5 in 1 reconstructor, Dudley's Hair Rebuilder, or Motions Moisture silk protein conditioner. Nexxus Emergencee is really good too. There are some other really good ones, but these are the ones I use.
What you want to do after any protein or reconstructor treatment is to do a deep moisturizing conditioner after wards. Protein is excellent for the hair, but it can dry out your hair, so you should always moisturize afterwards. You can use Nexxus Humectress, Mizani Moisturfuse, Keracare Humecto, just to name a few. Choose a moisturizing conditioner that you like. Apply it to your hair and sit under a heat cap or dryer for 10-20 minutes for maximum results. Hope that helps.