Bought the Rausch herbal shampoo and the leave-in today. I'll let you know how it wokrs. Check out their website:
http://www.rausch.ch
If you click on the little E in the upper right corner, you get an English version.

Hi Kati,

which cleanser is it based on? Detergent, soap, other? I'm curious ...

It has laureths in it, but don't buy it! It's extremely drying, I am very disappointed in it. It gave me a terrible static attack which didn't subside until I had washed my hair with something else TWICE! :shock: