How many strands of hair is needed for a Hair Follicle Drug Test?

115-120 strands, the diameter of a pencil.

HAIR FOLLICLE DRUG TESTING ADVANTAGES

• Hair Drug Tests have longer detection periods (up to 90 days).
• Easy sample Collection -Non-invasive.
• Donor Friendly.
• Extremely Accurate, Reliable & Court Defensible.
• Hard to adulterate (meaning hard to cheat a drug test).

HAIR FOLLICLE DRUG TESTING DISADVANTAGES

• Does not have immediate detection for Drugs of abuse (1-1.5 wk).
• Hair Follicle Drug Tests must be collected and sent to a Drug Testing lab, so results take longer.
• Hair Drug Tests are much more expensive than Urine Drug Tests.

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