Four types of keratin (repair agent) with different molecular weights give hair a firmness and repair effect, and each PPT of hydrolyzed silk, collagen, soybean, and sesame leads to elastic, moist and moisturized hair. When used in combination with TOKIO IE INKARAMI PREMIUM SHAMPOO, keratin permeates the inside of the hair and interacts with the hair, exerting an in-carami effect and promoting repair of damaged hair.