- Hair Length Requirement: The hair length, equivalent to the thickness of a pencil, must be at least 3 cm.
- Selection of Hair Strand: The hair sample is preferably taken from the nuchal area.
- Analytical Process: Analysis is conducted on 3 cm hair segments for longer hair. The examination using liquid chromatography and mass-mass detector focuses on substances like THC, Cocaine, Amphetamines, and Opiates. A valid ID document is necessary to verify identity. Healthcare professionals perform the cutting and complete the collection record. The hair strand is divided into two parts: one for analysis and the other for archiving.
In urine, cocaine metabolites can be detected for 3 days or more depending on the intensity of use. Cocaine inhibits the uptake of noradrenaline and dopamine, causing psychomotor effects and psychological dependence. Toxic effects may arise with high doses. It is rapidly metabolized. During pregnancy, it can harm the fetal brain development. Its presence can be traced in the neonate’s meconium.
The test on hair strands or follicles, with a minimum length of 3 cm, is used to detect alcohol or drug abuse. It can be requested in various contexts, including for alcohol abuse. The tests can be performed on dyed hair or unaltered follicles. Minors must be accompanied by a parent.
With 3 cm hair strands, investigations can reach back up to 90 days. Chest or pubic hairs can extend the detection window up to 12 months. The test highlights substance consumption over time. It holds forensic significance and is required for various assessments.
To avoid testing positive, monitor the levels of CBD and THC. Results depend on factors like metabolism and consumption habits. There are no foolproof products to guarantee a negative result. For certainty, consider undergoing an anonymous test.
Informative hair tests can be requested for driver’s license applications or to check for substance abuse. They are also useful for license renewals or specific occupational contexts.
An individual addicted to cocaine may exhibit paranoia, psychosis, stereotyped behavior, and loss of control. Peripheral reactions include tachycardia and hypertension. Compulsive use leads to binges, and chronic usage can result in severe physical damage.