Herbal Essences Argan Oil Shampoo & Conditioner Set - Repair & Smooth, Kew Endorsed - 20.2oz Each

Histidine is an amino acid that serves as a building block for proteins. It plays a crucial role in various biological processes, including the synthesis of histamine, a compound involved in immune responses, and acts as a precursor for other important biomolecules.

Citric acid is an alpha hydroxy acid used in personal care products primarily for its role as a pH adjuster and natural preservative. It occurs naturally in citrus fruits and is commonly utilized in various formulations for its chelating properties and mild exfoliation benefits.

Benzyl alcohol is a naturally occurring and synthetic aromatic alcohol commonly used as a solvent, preservative, and fragrance ingredient in various products. It is found in both plant sources and as a synthetic compound, functioning primarily to maintain product stability and enhance fragrance profiles.

Tetrasodium EDTA (ethylenediaminetetraacetic acid) is a chelating agent commonly used in personal care and cosmetic products. It functions by binding to metal ions, which helps to stabilize formulations and enhance the effectiveness of preservatives. This ingredient is typically employed to prevent product degradation and improve shelf life.

Sea salt is a mixture of inorganic salts derived primarily from the evaporation of seawater. It consists mainly of sodium chloride, with minor amounts of other minerals. Sea salt is commonly used as a seasoning and preservative in food products and may also have applications in cosmetics and personal care items.

PEG-55 is a polymer of ethylene oxide commonly used as a surfactant and emulsifier in cosmetic and personal care products. It helps to improve the texture and stability of formulations by aiding in the mixing of oil and water-based ingredients.

Ecklonia radiata extract is a marine botanical derived from the brown algae species Ecklonia radiata. It is primarily used for its antioxidant properties and potential health benefits in cosmetic and personal care products.

Sodium benzoate is a preservative commonly used in food and cosmetic products to prevent microbial growth and extend shelf life. It is derived from benzoic acid and is effective at low concentrations, often used in acidic environments like beverages and condiments.

Fragrance refers to a mixture of aromatic compounds used in products to provide scent. It is commonly listed as 'fragrance' or 'parfum' on product labels and can serve various functions, including enhancing user experience and masking undesirable odors.

Dimethicone, also known as polymethylsiloxane, is a silicone-based polymer commonly used in personal care products for its smooth application and skin conditioning properties. It acts primarily as an emollient, providing a silky feel while forming a protective barrier on the skin.

Behentrimonium methosulfate is a quaternary ammonium compound commonly used in personal care products as a conditioning agent. It functions effectively as a surfactant and emulsifier, helping to improve the texture and application of formulations, especially in hair care and skin products.

Cocamidopropyl betaine is a synthetic surfactant derived from coconut oil, commonly used in personal care products for its mild cleansing and foaming properties. It functions as a surfactant, emulsifier, and thickening agent, contributing to the texture and performance of formulations.

Argania spinosa (argan) kernel oil is a fixed oil extracted from the kernels of the argan tree, native to Morocco. It is commonly used in cosmetic formulations for its moisturizing properties, serving as an emollient and skin conditioner.

Cocamide MEA is a compound synthesized from coconut oil fatty acids and monoethanolamine. It is primarily used as a surfactant and emulsifier in cosmetic formulations, contributing to the texture and stability of products such as shampoos and lotions.

Sodium lauryl sulfate is the sodium salt of lauryl sulfuric acid, commonly used as a surfactant in various personal care and cleaning products. It functions primarily to create lather and reduce surface tension, facilitating the distribution of other ingredients.

Water is a clear, colorless liquid essential for various biological processes. It serves as a solvent in formulations, facilitating the dissolution of other ingredients and enhancing product texture and application. Additionally, water plays a crucial role in hydration and is a key component in many cosmetic and personal care products.

Stearyl alcohol is a compound produced from the hydrogenation of stearic acid, commonly used in cosmetic formulations as an emulsifier and thickening agent. It helps stabilize products by blending oil and water phases, enhancing texture and consistency.

Polyquaternium-6 is a polymer derived from dimethyl diallyl ammonium chloride. It functions primarily as a conditioning agent and film-forming agent in cosmetic products, enhancing texture and providing a smooth feel to hair and skin formulations.

Methylisothiazolinone is a widely-used preservative in cosmetic and personal care products, known for its antimicrobial properties. It helps prevent the growth of bacteria and fungi, extending the shelf life of formulations. It is often used in leave-on and rinse-off products, including lotions and shampoos.

Sodium xylene sulfonate is a sodium salt of rinoleic acid, commonly used as a surfactant and solubilizing agent in personal care products. It helps to enhance the stability and performance of formulations by improving the solubility of active ingredients and enhancing the overall texture of products.

Dicetyldimonium chloride is a quaternary ammonium compound primarily used as a conditioning agent in personal care products. It functions by reducing static, enhancing the texture of hair, and improving product application. It is often found in hair conditioners, creams, and lotions.

Cetyl alcohol is a long-chain organic alcohol commonly used in cosmetic formulations. It serves as an emollient, emulsifier, and thickening agent, enhancing the texture and stability of products. Cetyl alcohol is derived from natural sources, such as coconut or palm oil, and is often included in creams, lotions, and hair conditioners.

Sodium laureth sulfate is a surfactant derived from natural sources, primarily coconut or palm oil. It is commonly used in personal care products for its ability to create lather and enhance cleansing properties. This ingredient is frequently found in shampoos, body washes, and other cleansing formulations.

Guar hydroxypropyltrimonium chloride is a quaternary ammonium compound derived from guar gum, primarily used as a conditioning agent in cosmetic products. It enhances the texture and feel of hair and skin formulations, providing moisture retention and improved manageability.

Sodium citrate is used in cosmetic formulations primarily as a buffering agent, helping to stabilize pH levels. It is derived from citric acid and is commonly found in various personal care products to enhance their efficacy and stability.

Disodium EDTA (ethylenediaminetetraacetic acid) is a chelating agent commonly used in cosmetics and personal care products to bind metal ions and enhance product stability. It helps prevent the deterioration of formulations by minimizing the effects of trace metals, thus improving the overall efficacy and shelf life of the product.

Glycol distearate is a compound derived from stearic acid and ethylene glycol, primarily used as an emulsifier and thickening agent in cosmetic formulations. It helps to stabilize emulsions and improve the texture of products, allowing for better application and consistency.