The float test is not a very reliable measure of hair porosity. My hair is on the porous side and it floats too. See this site: scienceyhairblog.blogspot.com/2012/06/hair-porosity-how-to-measure-sort-of.html

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2c/3a, F/M, ii, med porosity, good elasticity, APL, silvery dark brown.
Love coconut oil, olive oil, and Everyday Shea!