It's difficult to explain it with my bad english! Sorry guys!
When the natural hair of someone which is not wearing, are perfectly cleaned, and washed, they are very very "separated", like one by one. If someone moves his head, all the hair will move as a fluid, it will move freely, like if each hair was free.
With my system, sometimes I feel as if I had some bunch on my head, little group of hair. Its not glue, but it's like if the hair are dirty and oily. But i can't wash them everyday with shampoo. So maybe I could find a product to fresh them in the way i like. I don't like they look "heavy"!