You have dyed your hair four times in one week will that pass a follicle tests?

Dyeing your hair four times in one week is unlikely to affect the outcome of a follicle drug test. Follicle drug tests analyze hair strands to detect the presence of drug metabolites that have been incorporated into the hair shaft over time. The hair growth rate is typically about 1.25 centimeters per month, so any drug use that occurred within the past 1.5 to 2 months would be detectable in a follicle test.

Hair dye, on the other hand, does not typically penetrate the hair shaft deeply enough to interfere with drug testing. The primary components of hair dye, such as hydrogen peroxide and ammonia, work by opening the hair cuticle to allow the dye molecules to enter the cortex of the hair. However, these chemicals do not significantly alter the hair's internal structure or composition.

Even if the hair dye were to reach the hair follicle, it would not likely interact with or mask the presence of drug metabolites. Drug metabolites are firmly bound to the hair shaft through covalent bonds, which are not easily broken by chemicals or external factors.

Therefore, dyeing your hair frequently is not expected to impact the accuracy or reliability of a follicle drug test.