Product Spotlight: Kiehl's Amino Acid Conditioner

Globally, the hair and scalp care market is expected to rise at a CAGR of 6.6% from May 2024 until 2028, with prestige hair care growing 14% in 2023, Global Cosmetic Industry reported, citing Circana data. Technological innovations for the skinification of scalp and hair have reportedly "encouraged consumers to dream big about their ultimate products." For example, 74% said they would like to see a split end serum product that is applied to the ends of hair to bind it and give consumers more time between cuts. Aligned with this trend for the skinification and repair of hair, this week, we spotlight the Kiehl's brand Amino Acid Hair Conditioner.

See last week's spotlight on Pantene's biotin and collagen conditioner.

Kiehl's Amino Acid Conditioner to Cleanse, Boost Hair Hydration and Shine

Offered in a refillable bottle option, the Kiehl's brand Amino Acid Hair Conditioner is described as a gentle conditioner featuring coconut and jojoba oils and amino acids to smooth onto hair with a light and creamy texture to improve hair’s manageability and boost hydration and shine for healthy-looking hair. Per Kiehl's, when chemically united with fatty alcohol or fatty acid, amino acids have cleansing properties and have been shown, within the brand's products, to help retain moisture.

Additional benefits of the amino acids, coconut and jojoba oils include:

• strengthening hair,
• protecting hair from environmental aggressors,
• defending hair from damage caused by styling and
• nurturing and softening hair.

More specifically, the coconut oil forms a protective barrier around the cuticle and prevents excessive water loss, keeping strands hydrated and looking smoother and shinier. The protective barrier also reportedly provides lubrication, which reduces friction and minimizes the risk of breakage caused by brushing or combing.

Example User Testimonials

The brand website highlights numerous product reviews. Following are a few examples.

• I have been using this and the conditioner and the shampoo daily for 20 years. I’m obsessed. I can’t use anything else. It makes my hair so soft and healthy I love the smell so soft of coconut and doesn’t weigh it down. I have fairly fine hair but a lot of it. It’s the best stuff. I can’t understand any negative reviews. 
• I bought this with the amino acid shampoo. They work well for me. My hair is a little dry, so this item and shampoo are suitable for me. It leaves my hair smooth and shiny. I love it.
• Works well with the shampoo to keep hair soft, concentrated well to stay on hair while working and not just run off in the shower.

Ingredient Disclosure

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.