PROBLEM TO BE SOLVED : To develop a material that can provide an external composition that can efficiently block near infrared radiation.SOLUTION : A granular complex contains keratin and zinc oxide particles, the keratin being at least one selected from the group consisting of wool-derived cationized hydrolyzed keratin, wool-derived silylated hydrolyzed keratin, and feather-derived silylated hydrolyzed keratin, and with a number average molecular weight of 500-2000.SELECTED DRAWING : NoneCOPYRIGHT : (C)2019, JPO&INPIT