COSMETIC PRODUCT OR SKIN REGENERATION PROMOTER COMPRISING NONHUMAN STEM CELL CULTURE SUPERNATANT AS STARTING MATERIAL, AND METHOD FOR ION INTRODUCTION FOR PROTEIN
As the percentage of senior citizens increases at the present time, the purpose of the present invention is to provide a cosmetic which can maintain the skin in a healthy state by preventing damage to the skin that accompanies aging, more specifically, discoloration and wrinkling, is very safe, does not pose ethical problems, and can be supplied in a sufficient amount. The present invention provides a cosmetic that comprises as the main component a powder of the supernatant produced by culturing the bone marrow or dental pulp stem cells of a nonhuman mammal. Moreover, provided is a method for ion introduction for protein by which the cosmetic is introduced by ion introduction.