"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." DIY dye may have gotten a bad rap in the past, but you no longer have to sacrifice professional-level ...

Hair follicle drug tests involve removing a small hair sample for laboratory testing. Results can show if a person has been using certain drugs or prescription medications in the previous 3 months. It ...

It has been more than six years since Congress mandated that the Department of Health and Human Services adopt a drug testing rule allowing the use of hair samples to drug-test drivers and other ...