| abstract |
An object of the present invention is to find a use capable of effectively utilizing a large amount of wool produced in large quantities, and to provide a drug having a function of a cell active agent effective for hair growth / hair growth at low cost. A cell-active agent comprising a wool-derived polypeptide comprising at least one component selected from wool-derived proteins, polypeptides, lower peptides and amino acids, or a derivative of the component. [Selection figure] None |