Checking Porosity when Transitioning?

Im transitioning and I want to check my porosity level but does transitioning hair effect my results? If I heard wrong you check porosity by placing a piece of hair in a bowl of water and if the piece of hair floats to the top its low & if it sinks its high... (Or the other way round, I cant remember) Would my straight ends effect the porosity test?
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Comments
It could. Chemicals tend to make hair more porous.
If your hair doesnt revert then you have broken some bonds and damaged your hair. I think that could affect porosity some but that may depend on how severe heat damage is.