What Is Hair Made up of?


Hair is made up of dead and hard protein called keratin, which is in three layers; medulla, cortex, and cuticle. The medulla is the first layer followed by the cortex, which constitutes a large part of the hair and finally the cuticle which protects the cortex and determines the health of hair. Hair consists of eighty percent proteins and other pigments such as lipids and minerals.
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