Q13. What are the components of hair?

Q&A

Q13. What are the components of hair?

A. The major component of hair is keratin protein, which also constitutes skin and fingernails. Keratin is made up of about 18 kinds of amino acids, such as cystine (16.0%), glutamic acid (14.8%), arginine (9.6%), glycine (9.5%), leucine (9.1%), asparagine acid (8.0%), serine (7.6%), threonine (7.2%), valine (4.7%).

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