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Screens for illegal drugs or prescription medication misuse by analyzing the chemical metabolites trapped inside strands of hair. (Longer History)
How It Works
Collection Process: A technician uses scissors to snip a small sample of hair (about 100 to 120 strands, or roughly the thickness of a pencil) as close to the scalp as possible. Despite the name, the actual hair follicle under the skin is usually not plucked or tested.
Screens for illegal drugs or prescription medication misuse by analyzing the chemical metabolites trapped inside strands of hair. (Longer History)
How It Works
Collection Process: A technician uses scissors to snip a small sample of hair (about 100 to 120 strands, or roughly the thickness of a pencil) as close to the scalp as possible. Despite the name, the actual hair follicle under the skin is usually not plucked or tested.