Why 70% Alcohol? Hand sanitizer science and how it works.
Hand Sanitizer Science! Why does Alcohol kill germs and bacteria? Let's find out and explore why hand sanitizer has only 70% alcohol inside. Did you know that the alcohols inside your hand sanitizer are amphiphilic? What does that even mean?!? 00:00 Intro, Why 70% alcohol? 01:16 How does hand sanitizer work? 02:46 What does the 70% mean? 04:00 Does drinking alcohol help? Destructive Creativity and Jonathan Allers are dedicated to providing safe and fun science facts and experiments for all ages. Please practice science safely and responsibly. Always use proper supervision. Now go out and learn something!
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