Hand sanitizers are a standard of hygiene requirements. They must be effective at reducing
germ count on the hands while ideally providing emollients to moisturize the skin after use.
Spectrum™ Advanced Hand Sanitizer Foam (70%) (hereby referred to as Spectrum Advanced Foam)
kills over 99.99% of germs within 15 seconds while boasting double digit increases in hand
moisture after two weeks of use.
In 2002 and 2009 the Center for Disease Control and Prevention (CDC) and World Health
Organization (WHO) published guidance that hands should remain wet for at least 15 seconds
while being rubbed together after application of an alcohol-based hand rub, though the
recommendations do not specify the volume of product to be apply. 1, 2 This study will
evaluate the "wet time" of Spectrum Advanced Foam, which will be defined as the length of
time in which the sanitizer foam stays wet on the hands while the participant rubs their
hands with the foam sanitizer. The participant will first be asked to wash and dry their
hands. Participants will review the appropriate hand sanitizer application steps, as detailed
by the WHO guidance. Then, a 1.0 mL or 1.4 mL* aliquot of Spectrum Advanced Foam will be
dispensed from an automated dispenser3 to the participant's hands. 1 The participant will be
asked to rub their hands together following the WHO method for hand sanitizer application
until they declare the product has dried sufficiently for the donning of medical gloves.
Study personnel will measure the wet time of Spectrum Advanced foam using a stopwatch.