surfactants and viscosity
I really want to make shampoo that actually works and is ph balanced but I'm having issues with understanding surfactants and viscosity. I started off trying to use emulsifying wax nf because I had no idea about the differences in properties (anionic and cationic for example). Then I tried boiling soap nuts because I read that they foam with water and are natural surfactants but that didn't work either. Now I have coco betaine and can't figure out why it's not working.
If oil gathers on top does that mean I need more water or no?
How do I thicken it?
How do I know if I added too much water, surfactant or oil?
How do I know what I need more of to fix the problem?
Not a chemist but I'm trying my best to research and not waste too much. I have never taken a chemistry class before but I think I have a very basic understanding of some parts of it. I've been trying to stick to organic/natural or at least somewhat natural ingredients but at this point I'm frustrated and frankly I don't care as long it works and won't catch my arm on fire or make my leg fall off if I use it.