Share | Amino Acid View Products By: CONCERN Fine, Thin and Damage Dry to Very Dry Frizzy & Unruly Normal Color Treated NEW at Kiehl's! This February, Kiehl's presents its intensely hydrating, yet ultra light moisturizer for dry skin types. Explore now Try Before You Buy! Enjoy a complimentary 5-minute consultation along with 5 samples at any Kiehl's store! Visit us today Best Matches Best Sellers Alphabetically (A-Z) Alphabetically (Z-A) Showing 1 - 2 of 2 Amino Acid Conditioner An exotic, daily conditioner made with Pure Coconut and Jojoba Oils. Amino Acid Shampoo Creates a rich, creamy lather for a delightful shampoo experience.