The main use of hair analysis is used for the detection of recreational drugs, which includes cocaine, heroin, amphetamines, benzodiazepines etc. in this context it has been reliably used to determine the compliance with the use of therapeutic drug regimes or even to check the accuracy of any witness statement that an illicit has not been taken any drugs. The term hair testing or hair analysis is an increasingly common method to the assessment in a substance misuse, particularly mainly in legal proceedings or may be in any situation where a subject may have decided as not to tell the entire truth about his or her substance using the history of the particular suspect. This hair analysis technique was found on December 1995 and in that technique, the society of hair testing was tend to be found to promote the research in hair testing technologies in forensic departments. Hair analysis can also be used for all clinical and occupational sciences, to develop the international proficiency tests and also taken into consideration to get organized the meetings and workshops to encourage the scientific co operation and exchanges among members which has been taken into consideration.