These Are the Four Hand Sanitizer Ingredients, According ...
May 26, 2020·Shutterstock. And the fourth ingredient in hand sanitizer is, simply enough, water. But as the U.S. Food and Drug Administration (FDA) notes, the water has to be sterile, which is why WHO's ingredients list mentions "sterile distilled or boiled cold water."As neuroscientist and stem cell biologist Samantha Yammine, PhD, noted on Twitter, "There is some water in hand sanitizer that helps to ...
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