One of the most occurrent types of evidence found in a crime scene is hair. Forensic hair analysis is able to determine a specific suspect at the crime scene or exclude a suspect. Physical contact is one of the ways that hairs are able to be transferred, and the type of hair is important when collecting evidence. Forensic hair analysis, which is also known as hair drug testing, is used for the detection of many therapeutic drugs and recreational drugs including cocaine, heroin, benzodiazepines and