Products are split into three levels based on ingredient labels
GO
Best choiceSLOW
Contains ingredients with possible health concernsSTOP
Contains harmful ingredientsSTOP
Kiehl's
Amino Acid Conditioner
Last verified: March 10, 2026
- Aqua / Water
- Cetyl Alcohol
- Behentrimonium Chloride
- Cetyl Esters
- Isopropyl Alcohol
- Citric Acid
- Phenoxyethanol
- Myristyl Alcohol
- Parfum / Fragrance
- Simmondsia Chinensis Seed Oil / Jojoba Seed Oil
- Cocos Nucifera Oil / Coconut Oil
- Aloe Barbadensis Leaf Juice
- Glycine Soja Oil / Soybean Oil
- Tocopherol
- Chlorhexidine Dihydrochloride
- Hydroxypropyltrimonium Hydrolyzed Wheat Protein
- Wheat Amino Acids
- Sodium Chloride
- Coumarin
- Potassium Sorbate
- Disodium Edta
- Sodium Benzoate
Why This Product is Rated STOP
Amino Acid Conditioner by Kiehl's has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.
We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.
Frequently Asked Questions
