A method of enabling effective hair growth and furthermore, inducing hair growth closely similar to the natural hair state in the case of transplanting dermal papillae or cultured dermal papilla cells into the skin to regenerate the hair, characterized by comprising transplanting a composition containing the following components into an epidermis defect site: (a) dermal papillae or dermal papilla cells, (b) an epidermal tissue or epidermal cells and/or (c) a tissue constituting hair follicles or cells thereof.
