Okay, I am on a shampoo "quest" here...

Bare with me..
1. What type of shampoo do you use?
(poll)
2. Also how do you use it?
For example; just on scalp, diluted....
3. How often?
I am trying to learn how to use shampoo.
Before CG I washed my hair like crazy with SLS shampoo. :P