Kiehl's Since 1851 Amino Acid Shampoo in Bottle

What it is: A shampoo that combines amino acid and coconut oil-derived cleanser to create a delightful, creamy lather that gently yet thoroughly cleanses. Who it's for: All hair and scalp types. What it does: Amino acids are fundamental to the human body and construct proteins. When chemically united with fatty alcohol or fatty acid, they have cleansing properties and maintain their mild amphoteric character. They are known to moisturize, too,