Hair Follicle

• Hair samples cant substituted or diluted and are difficult to adulterate 

• Long detection timeframe (3 - 12 month)

• Collections are easy, safe and simple

• Head hair as well as body hair can be used

• More accurate than traditional testing methods

• Results are not affected by external contaminants

• Results are valid admissible in court

• Length of hair, only factor in dictating detection period.

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