Within about two hours as soon as your body starts to create cocainoid metabaloids and as the liver breaks the cocaine down. There's nothing you can do to stop it.
Until you snort it out.
About 60 days. It stays in the cells and hair long after use.
Your hair expels everything that goes in your body, all of your hair.
5 days
Almost immediately.;-)
It can be month or years, it depends on hair length and usage, also age ect...
No. It is still in your fat and hair cells.
One to two years. It stays in the hair. Better not to use at all.
Until the hair is cut.
Your race does not matter but your hair holds traces of all the drugs you have taken in the past decade or even more.
Cocaine will show up in your hair follicle within 12 to 24 hours.
None, shaving will not help either as long as you have it in you system. It must be clean for 45 days and that's only in new hair growth.