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Understanding Hair Elasticity by Trichologist, Dr. Kari Williams

Understanding Hair Elasticity by Trichologist, Dr. Kari Williams ┬áLast month we discussed the porosity of hair, and now we will incorporate the importance of hair elasticity. ┬áPorosity and elasticity are related. Hair elasticity measures the strength of the hair strand and the ability of it to stretch without breaking and to return to its natural […]

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