So I'm adding my two cents here...
I got lice about 10 years ago, with Dreadlocks - meaning you can't comb them out!
I tried everything, even the hard-core chemicals! I wasn't going to shave my head (which is what I was going to have to do!)
I finally found Delacet and its Vegan and natural... and to be honest I didn't believe it would work. I was sure I needed chemical goodness...
Anyway it worked, first go! Its expensive, but worth it, 10 years on, I still have my Dreads and no lice
This is it here...
http://www.thenaturalproductscompany...-lice-solution