PROBLEM TO BE SOLVED: To provide collagen having no problem in safety of BSE or the like, and showing an effect excellent in moisture retaining activity or the like when being used in a cosmetic.SOLUTION: This invention relates to collagen containing III type collagen prepared from a marine organism such as a shrimp, an atelocollagen derivative obtained by succinylating the collagen or the like, and a method for producing the same. The invention also relates to a cosmetic, a humectant and further a fibroblast proliferation promotor, having the collagen and its derivative blended therewith.COPYRIGHT: (C)2013,JPO&INPIT【課題】BSE等の安全性に問題がなく、かつ化粧料に使用して保湿作用等の優れた効果を奏する、コラーゲンを提供する。【解決手段】エビ等の海洋性生物より調製したIII型コラーゲンを含有するコラーゲンと、それをサクシニル化等アテロ化したコラーゲン誘導体、およびその製造方法。また、該コラーゲンおよびその誘導体を配合した、化粧料、保湿剤、さらに線維芽細胞増殖剤。【選択図】なし
