Why Short Hair Cuts Are Sexy Hair is composed primarily of proteins (88%). These proteins are of a hard fibrous type known as keratin. Keratin protein is comprised of what we call "polypeptide chains.” The word, polypeptide, comes from the Greek word "poly" meaning many and "peptos PÃ¥ geniuschoice.com finner du nyttig information om genius choice . Här finns ocksÃ¥ ett antal andra intressanta länkar. Vi hoppas att du hittar det du söker! in Public bookmarkswith whyshorthaircutsaresexy