I don't think I do anything out of the ordinary, but here is me applying my hair with Kronos PHYX Overnight Repair Masque.
So I looked the product up on Amazon (http://www.amazon.com/Kronos-Phyx-Overn
Some hair masques that I have heard to be awesome:
Macadamia Deep Repair Masque
DIY Avocado Hair Mask! (just search it on Youtube! lots of tutorials)