Only a haircut will get rid of hair contaminated by anything.
two years
yes with out a doubt it will show up a cryatal meth it is one of the main ingredients in Meth Amphetamine , they will actually screen for both amphetamine and meth-amphetimine as Ritalin is a amphetamine .
3 months
no not long enough 45day with a half inch of hair
The answer is brown
atleast 6 months to a year
The branch of medicine concerned with the hair and its diseases is called trichology.
nothing..literally
sudafed can give u a false positive for meth be careful
Nothing. It stays in the fat and hair cells.
This does not exist...
No, wearing a hat inside or out does not make your hair fall out.