Hair Drug Testing Cases

Gloved woman in a white coat trims a seated man's hair inside a police station.

Medical staff conducts a hair test on uniformed personnel in a room with testing equipment on table

Gloved man trims a seated man's hair with scissors while another man holds paper nearby.

People queue for hair-based drug screening by medical staff in Xichang, China.

White-coated workers trim two seated people's hair in a room with Chinese flags.

Medical staff conducts a hair test on uniformed personnel wait in a line

Volunteer in a green vest trims a seated man's hair at an indoor event.

Healthcare workers in masks and white coats trim seated people's hair in a busy clinic.

Hair drug testing can detect drug use history dating back up to 90 days, making it widely applicable in the following scenarios: pre-employment screening for public servants, regular drug testing for public transport drivers (including bus and school bus drivers), entry medical examinations for personnel in special industries, and filing administration for employees in entertainment venues.

Below are some hair testing cases from China.