certain bath salts will show up on hair possibly for amphetamine,mdma,pcp,bzp etc, even though a person did not do it. certain bath salts have almost the same molecular structure but are manufactured a little different to bypass drug analogues; and each different stimulant can trigger different metabolites which then show on hair or drug tests. as users please be aware on what you are consuming, you'll never know, it can be life or death.
No, Hair follicle Dose not affect age.
yes
Hair used for weaving typically does not include the hair follicle, making it difficult to perform hair follicle testing on this type of hair. Hair follicle testing requires the hair to include the follicle, which contains genetic material for testing.
no
Hair follicle and urinalysis testing
They do hair follicle testing
Hair Follicle drug testing is the most accurate, long term, and hard to beat, of all laboratory drug testing. As your hair grows, any chemical substances in your body also grow out with your hair. Other than shaving your head, there is no way to hide drugs in a hair follicle test.
Ultra blue hair dye, or peroxide strips everything form you hair.
They test your semen. You have to masturbate right in front of them.
Probation and parole officers can make you take any type of drug test they want including a hair follicle test. Hair follicle testing is often used because many drugs stay in the hair follicle much longer than they do in blood, urine or saliva.
atleast 6 months to a year
There is over at truckingtruth/truckers-forum/Topic-971/Page-6/dot-drug-testing-urinalysis-or-hair-follicle . This list needs more updating, but is the best I've found so far.