Uhh... a couple of washes?
As long as you make it take.
Crack cocaine can stay in your hair for up to 90 days depending on the length of your hair and rate of hair growth. Hair tests for drugs can detect a history of drug use over a longer period compared to urine or blood tests.
Yes your hair has lots of information I hope you have stopped taking drugs
2 days
5 secs
It is possible to perform a hair test for crack. Crack will remain the detectable in the hair for up to 3 months. In the urine it is only detectable for up to 4 days.
it depends on how much hair is in the brush
depends how long your hair is now
Pretty long
it matters how you wear your hair
Hour
12 yo 14 days