hårtest
Hårtest, or hair testing, is an analytical technique that uses hair samples to detect chemical substances or elements that have been incorporated into hair shafts. In Swedish usage, hårtest commonly refers to drug testing, toxin screening, or nutritional/toxicological analysis. Hair can reflect exposure over weeks to months, depending on hair length and growth rate, roughly 1 cm per month for scalp hair.
Procedure typically involves collecting a small amount of scalp hair with consent, labeling and storing the
Applications of hårtest include forensic toxicology, where drug use or toxin exposure over extended periods may
Advantages include a relatively long detection window, non-invasiveness, and the ability to reflect historical exposure. Limitations