Slightly acidic mild formulation: gently cleanses the skin with a slightly acidic formulation with a p H index similar to that of a healthy skin environment. Skin irritation test completed: It was judged as non-irritating through the human skin patch test of the Korean Dermatological Research Institute. Clean without residue: Contains iris root & chrysanthemum root extract for a refreshing hair care with a clean feeling without leaving any residue on the scalp.