From what I've read, hair tests typically go back 90 days, and any longer than that, the results are deemed unreliable. It might be a good idea to go ahead and quit now just to be safe.
greendove Reviewed by greendove on . Hair Test - When to go cold turkey? Okay, today is Saturday, January 6th. Somewhere in the time between May 12th and May 30th I will be having a hair test for a summer job I'm getting. I have been heavily smoking (multiple times daily) for about a year and a half or so. my hair has always been short but never buzzed, i guess u could compare it to a crew cut but its longer and wavy. i dont know if any of that matters or else i wouldnt be describing my locks to you anyways i'm just wondering if i'm already fucked or if not when Rating: 5