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How long should you wait to use homemade hand sanitizer?

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After you make your hand sanitizer, wait 72 hours before you use it. That gives the hydrogen peroxide a chance to kill any germs that might have gotten into the solution while you made it.

From: How to Make Hand Sanitizer WebMD Medical Reference

SOURCES:

CDC: “Show Me the Science -- How to Wash Your Hands,” “Show Me the Science -- When & How to Use Hand Sanitizer in Community Settings.”

National Capital Poison Center: “Hydrogen Peroxide.”

World Health Organization: “Guide to Local Production: WHO-recommended Handrub Formulations.”

Reviewed by Hansa D. Bhargava on March 20, 2020

SOURCES:

CDC: “Show Me the Science -- How to Wash Your Hands,” “Show Me the Science -- When & How to Use Hand Sanitizer in Community Settings.”

National Capital Poison Center: “Hydrogen Peroxide.”

World Health Organization: “Guide to Local Production: WHO-recommended Handrub Formulations.”

Reviewed by Hansa D. Bhargava on March 20, 2020

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