keratin keratin  /ˈkɛ rə tən/


  • (n) a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves


  1. Lizards build alpha-keratin in their claws.
  2. Linus Pauling deciphers the molecular structure of the protein keratin.
  3. Since these parts have extra keratin and are not exposed to ultraviolet, they need no melanin protection against excess vitamin D synthesis.


  • Austin Style with Ron King: Keratin treatments

    Ron King talks about a very popular, but also hotly debated hair treatment, Keratin Treatments.  Ron breaks down the pros and cons of the treatment. 
    on June 22, 2013     Source: KVUE-TV Austin

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propriety propriety
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