If you like your hair to have a little more frizz and volume so I always put my oil before cream! On the on the other hand if you like a more defined curl put your cream before oil! Either way if your taking care of your hair it will come out amazing! The choice is always yours!
When it comes to deep conditioning, you need to know the 3 T's: Time, Temperature, & Type. Check out Curl Care 101 for more information on how to maximize your deep conditioning time! http://www.maneobjective.com/2015/01/curl-care-101-how-to-deep-condition-natural-hair.html