Chemists
alot of shampoo manufacturers do, it will say wether or not they do on on the back of the shampoo bottle
experiments test the scientist theory
Yes they do!
No, using lice shampoo will not help you pass a hair drug test. The chemicals in lice shampoo are not designed to mask or eliminate drug metabolites in the hair. The best way to pass a hair drug test is to abstain from drug use.
no you have to cut your hair
No
by jookin
A scientist test
No it will not it is only for dogs.
by conducting an expriment
Aristotle
A scientist test