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Harper Kim——Studied at the University of Seoul, Lives in Seoul, South Korea.
Method #1: The Float TestFill a glass or bowl with room temperature water.Take a couple strands of your clean hair and put them in the water. Clean hair is important. If you have oils or products on your hair, it will alter your results.Watch it for 2-4 minutes. If your hair sinks immediately, it has high porosity.
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