Amino Acid

Lock in moisture with the fortifying power of Amino Acid-infused hair care.

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  • Amino Acid Shampoo

    Amino Acid Shampoo

    Kiehl's Amino Acid Shampoo gently cleanses hair and scalp while infusing strands with essential amino acids for softness and shine. Try it now.

    1,650.003,500.00