Today I Learned (TIL)

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TIL that certain acidic soaps can make your skin hydrophobic (www.binghamton.edu)

submitted 2 years ago by [email protected] to c/[email protected]

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I’m a hairy guy, so if I don’t try to squeegee my body dry with my hands, my towel won’t dry quick enough for tomorrow’s shower. A few days ago I tried a new soap and the water would just bead up on my skin. It was kinda freaky, like I took a bath in RainX. So when I finished my squeegeeing, I hardly needed a towel! At first I was worried how this might affect my skin, washing with this soap daily, but my skin is better than ever!

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[–] [email protected] 3 points 2 years ago

Surfactants and nanostructures are how scientists can tune wettability to almost any level. Deep dive link: https://en.m.wikipedia.org/wiki/Cassie%27s_law