Welcome to North Shore Health Department **Our website is currently under construction. Please bear with us as certain links may not be working. If you need assistance please call our main number at 414-371-2980** North Shore Health Department Highlights for 8/23/2016 Did You Know? Hand sanitizers expire because the manufacture cannot guarantee the effectiveness of the active ingredient (Ethyl Alcohol) after a certain period of time. Most hand sanitizers expire after 3 years. The speed at which a hand sanitizer expires is increased each time the bottle is opened or exposed to the air. If a bottle is left open by accident or has a hand pump which could allow air inside, then the sanitizer may not be as effective as the date of purchase. The manufacture takes usage into account when determining an expiration date as well. The Food and Drug Administration(FDA) states that products with less than 60% Ethyl Alcohol cannot provide an effective microbial kill. As you use the product the Ethyl Alcohol evaporates to a level below FDA recommendation. According to the Centers for Disease Control and Prevention (CDC), washing hands with soap and water is the best way to reduce the number of microbes on them in most situations. If soap and water are not available, use an alcohol based hand sanitizer that contains at least 60% alcohol. **Learn more about the North Shore Health Department like us on Facebook at facebook.com/NSHealthDept and follow us on Twitter @NSHealthDept Missed the highlights? Click here to view previous highlights.