Description :
Hair analysis provides useful information regarding a history of drug addiction or drug toxicity. Given some important applications of hair analysis. When compared to other biological samples, hair provides a larger window for drug discovery. Medications are deposited in the hair via the circulatory system by various mechanisms after administration. The deposited drug is highly stable and detectable after a longer period of time compared to other biological samples, such as saliva, blood, and urine. Complex methods of drug extraction and high cost of analysis are some of the drawbacks of hair analysis. LC-MS and GC-MS are the prominent techniques among the other preferred techniques due to their high sensitivity.