| 摘要 |
A PREPARATION FOR EPIDERMIS CONTAINING KOJIC ACID AND/OR ITS DERIVATIVE AND A SURFACTANT OR SURFACTANTS HAVING HLB VALUE ADJUSTED TO 12 OR LESS THAN THAT IS DISCLOSED. THIS PREPARATION IS PREFERABLY IN A FORM OF O/W EMULSION, WITH THE LATTER BEING PREFERABLY FORMED BY GEL EMULSIFICATION PROCESS. THE SURFACTANTS OR SURFACE ACTIVE AGENTS SERVE TO DEPRESS COLORATION OR DECOMPOSITION OF KOJIC ACID AND/OR ITS DERIVATIVE AND IMPROVE APPLICATION FEEL OF THE PREPARATION. |
