286: A Number Likely to Go Up
Dear Hank & John
00:00
How to Wash Your Hair in Cold Water for Maximum Drying Efficiency
In middle school a friend told me I should rinse my hair with cold water in order to make it less puffy. Sadie goes on to say that warm water should dry faster because the water is closer to boiling temperature. But admittedly, I don't really understand how evaporation works at what temperature Should I be washing my hair to ensure maximum drying efficiency? Um, basically it's not going to matter. You are correct, warmer water evaporates more quickly, but it's going to cool down very fast.
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