For me, the difference has been the use of Hawaiian Silky 14-1. It has made my hair soft and silky and moisturized.
Below is a video from the first time I did a two strand twist out with Hawaiian Silky:
Here is a video when I completed two strand twists that I left in for 2.5 days:
The results of the 2.5 day old two strand twists:
Finally...a brief tutorial on the 2 strand twists and my latest results: