http://www.articleheaven.net en-us editorial@articlealley.com Collagen - What is it? Collagen is a type of protein that is found in animals. Collagen is the main product of our tissue. It has great strength to aid our ligaments and tendons. It helps our skin to remain it elasticily and without it we can get more wr... http://www.articleheaven.net/collagen-to-prevent-wrinkles-2060898.html 23rd February 2011