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'''Hand sanitizer''' is an antiseptic substance designed to kill the [[bacteria]] on one's hands.  [[Isopropyl alcohol]] is the most common active ingredient.  Hand sanitizer is usually over 60% [[alcohol]], since this is considered the effective threshold;<ref>http://www.nyc.gov/html/doh/flu/downloads/pdf/flu-hand-sanitizer.pdf</ref> 62% seems to be the most common concentration used among companies.  There are also non-alcoholic hand sanitizing substances such as [[triclosan]] or [[benzalkonium chloride]], but such products are less common due to expense and potential health risks of such chemicals. Some research has concluded that hand sanitizing is more effective against fighting bacteria than hand washing,<ref>

'''Hand sanitizer''' is an antiseptic substance designed to kill the [[bacteria]] on one's hands.  [[Isopropyl alcohol]] is the most common active ingredient.  Hand sanitizer is usually over 60% [[alcohol]], since this is considered the effective threshold;<ref>http://www.nyc.gov/html/doh/flu/downloads/pdf/flu-hand-sanitizer.pdf</ref> 62% seems to be the most common concentration used among companies.  There are also non-alcoholic hand sanitizing substances such as [[triclosan]] or [[benzalkonium chloride]], but such products are less common due largely to the potential health risks of such chemicals. Some research has concluded that hand sanitizing is more effective against fighting bacteria than hand washing,<ref>

{{cite journal

{{cite journal

   | title =Research shows hand sanitizers more effective against cold

   | title =Research shows hand sanitizers more effective against cold