In a recent email newsletter I touched on the problem of porosity in black hair. Here I go a bit into a bit more detail and also look at another problem that goes hand in hand with porosity, hygral fatigue.
A pore is a gap/hole in the fiber of your hair that both allows fluids in and out again. Because of the natural bends in afro hair, cuticles on the curvature of the hair when in it's natural state usually remain open so a higher level of porosity is to be expected.
With relaxed hair, porosity is increased during the relaxing process because the high alkalinity of the relaxer will cause some damage to the hair fibre as it straightens.
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