When it comes to long-term detection, people often ask, “How long does alcohol stay in your system for a hair test?” Unlike other methods, hair follicle tests can detect alcohol use for up to 90 days.
How Long Does Alcohol Stay in Your System – by hair test
Hair tests don’t measure blood alcohol concentration in real time. Instead, they identify alcohol metabolites—like EtG (ethyl glucuronide)—that remain in your body after drinking. These markers get embedded in hair strands as they grow, providing a long-term picture of alcohol use.
This type of testing is typically used in legal cases, addiction monitoring, or professional screenings. It’s extremely accurate, but also more expensive and less common than urine or breath tests.
If you had a few drinks a month ago, a hair test might still pick it up—especially if you drank heavily. So if you’re preparing for a hair test, it’s important to know that alcohol can remain traceable far beyond a weekend.
see more: How Long Does Alcohol Stay in Your System After One Drink?
Understanding How Long Does Alcohol Stay in Your System is crucial, especially for legal, medical, or professional situations.