Keratin Keratin Keratin () is one of a family of fibrous structural proteins. It is the key structural material making up hair, horns, claws, hooves, and the outer layer of human skin. Keratin is also the protein that protects epithelial cells from damage or stress. Keratin is extremely insoluble in water and organic solvents. Keratin monomers assemble into bundles to form intermediate filaments, which are tough and form strong unmineralized epidermal appendages found in reptiles, birds, amphibians, and mammals. The only other biological matter known to approximate the toughness of keratinized tissue is chitin. Keratin derives from Greek ' from '
The Name of the Band Is Cowboy Mouth "Classic Drummer", the crowd at the concert included: Ellen DeGeneres (Vance's sister), Portia de Rossi, David Steinberg, Hanson, and music producer Matthew Wilder (No Doubt, Christina Aguilera, Kelly Clarkson). Mark Bryan, the guitarist for Hootie and The Blowfish, makes an on stage appearance, joining the band on the song "I Can Tell". The Name of the Band Is Cowboy Mouth The Name of the Band Is Cowboy Mouth is a live concert by the band Cowboy Mouth released on DVD on November 20, 2007. It is the first DVD, and second video of the band, the first being 1996's 'Alive'