Changes

'''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.  

'''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.  

==Proper Use==

==Proper Use==