Using amino acids as the main cleaning ingredients, its pH value is close to that of human skin, being mild and non-irritating. While effectively cleaning the dirt and oil on the scalp and skin, it will not damage the natural barrier of the skin and scalp, suitable for various skin types and hair qualities, especially for people with sensitive skin and damaged hair. The mild nature of amino acids can also reduce the damage to the hair cuticles during the cleaning process, protect the healthy structure of the hair, and keep the hair moisturized after cleaning.