Marijuana.com

krd

I've been reading online that it's impossiable to pass a hair test cause they wash your hair in the lab. So my question is how does the Mac method work or actually anything (shampoo) if they wash it?

 

1tokeovertheline

You can read right here. The words that I am typing. I passed the hair test. Also you can read the results thread in this forum.
I won't go into a long elaborate detail, but in short. The hair test look for THC metabolites inside of the hair. THC is on the outside of the hair. That is the reason second hand smoke doesn't have an effect on a hair test. Do a search on THC metabolites to find out more. To be honest I really don't feel like going into detail on it tonight. Hope I kind of answered your questions, if not maybe someone else feels detail oriented tonight and will get into it for you.