Hangover Patch FAQs: Everything You Need to Know Hangover patches are becoming an increasingly popular way to prevent or reduce the aftereffects of alcohol consumption. But what exactly are they, and do they work? In this FAQ-style guide , we answer the most common questions to help you understand everything you need to know about hangover patches. What is a hangover patch? A hangover patch is a small, adhesive patch that you stick on your skin—typically your upper arm, shoulder, or back—before, during, or after drinking alcohol. It is infused with vitamins, minerals, and antioxidants that aim to support your body’s natural detox process and reduce the symptoms of a hangover. How does a hangover patch work? The patch delivers nutrients through transdermal absorption, meaning the ingredients are absorbed directly through the skin and into the bloodstream. This bypasses the digestive system, which can be compromised during alcohol consumption. Common ingredients include: Vitamin B...