Kiehl's Ultra Facial Overnight Hydrating Face Mask With 10.5% Squalane

ISONONYL ISONONANOATE is an ester derived from isononanoic acid and is often used in cosmetic formulations for its skin-conditioning properties. It acts as an emollient, helping to soften and smooth the skin by forming a barrier that locks in moisture. Additionally, it has antistatic properties, which can help reduce static electricity in products, making it beneficial in formulations where a smooth application is desired. Formulators may choose to include ISONONYL ISONONANOATE to enhance the sensory feel of a product and improve its overall performance on the skin.

SORBITAN OLIVATE is a naturally derived emulsifier and surfactant, commonly used in cosmetic formulations to help blend oil and water components effectively. It is derived from olive oil and sorbitol, making it a popular choice for formulators seeking more natural ingredients. This ingredient functions primarily to stabilize emulsions, ensuring that products maintain a consistent texture and performance over time.

SORBITAN STEARATE is a non-ionic surfactant and emulsifier commonly used in cosmetic formulations. It helps to stabilize mixtures of oil and water by reducing surface tension, allowing for a smooth and uniform texture in creams and lotions. Formulators may add SORBITAN STEARATE to enhance the stability of emulsions, improve the spreadability of products, and contribute to a pleasant sensory experience upon application.

POLYHYDROXYSTEARIC ACID is a surfactant and emulsifying agent commonly used in cosmetic formulations. Its primary function is to help blend oil and water components, creating stable emulsions that enhance the texture and application of products. Formulators may add POLYHYDROXYSTEARIC ACID to improve the consistency and stability of formulations, ensuring a smooth and uniform product experience. Additionally, it can contribute to the overall performance of the product by enhancing the spreadability and feel on the skin.

Propanediol is a naturally derived ingredient commonly used in cosmetics as a solvent and humectant. As a solvent, it helps dissolve other ingredients, ensuring a uniform and stable formulation. Its humectant properties allow it to attract and retain moisture in the skin, contributing to hydration and a smoother texture. Formulators may add Propanediol to enhance the overall feel and performance of a product, as well as to improve the delivery of active ingredients within the formulation.

PHENOXYETHANOL is recorded as an antimicrobial and preservative. These recorded roles explain why a formulator may include it in a cosmetic formula.

SODIUM POLYACRYLATE is a synthetic polymer commonly used in cosmetic formulations for its versatile properties. It functions as an absorbent, binding agent, and skin-conditioning emollient, making it effective in enhancing the texture and feel of products. Additionally, it serves as an emulsion stabilizer, film-forming agent, and viscosity controller, which helps maintain the desired consistency and stability of formulations. Formulators may add SODIUM POLYACRYLATE to improve the overall performance of products, ensuring they apply smoothly and provide a pleasant sensory experience.

CHLORPHENESIN is an antimicrobial and preservative agent commonly used in cosmetic formulations. Its primary function is to inhibit the growth of bacteria and fungi, thereby helping to extend the shelf life of products and maintain their safety for consumer use. Formulators may add CHLORPHENESIN to prevent contamination and degradation of formulations, ensuring that they remain effective and safe throughout their intended lifespan. Due to its antimicrobial properties, it is particularly valuable in products that are prone to microbial growth, such as creams and lotions.

ETHYLHEXYLGLYCERIN is a multifunctional ingredient commonly used in cosmetic formulations for its deodorant and skin-conditioning properties. As a deodorant, it helps to reduce body odor by inhibiting the growth of odor-causing bacteria, making it a valuable addition to personal care products. Additionally, its skin-conditioning function allows it to enhance the skin's feel and appearance, contributing to a smoother and more hydrated surface. Formulators may include ETHYLHEXYLGLYCERIN to improve the overall sensory experience of a product while also providing functional benefits that support skin health.

PSEUDOALTEROMONAS FERMENT EXTRACT is a biotechnologically derived ingredient obtained from the fermentation of the marine bacterium Pseudoalteromonas. It is primarily used as a humectant in cosmetic formulations, meaning it helps to attract and retain moisture in the skin. This characteristic makes it beneficial for enhancing skin hydration and maintaining a healthy skin barrier. Formulators may add PSEUDOALTEROMONAS FERMENT EXTRACT to products to improve their moisturizing properties and to provide a more supple feel to the skin, leveraging its natural origin and biocompatibility.

Salicylic acid is a beta hydroxy acid (BHA) commonly used in skincare for its ability to penetrate pores and exfoliate, helping to reduce acne and prevent breakouts. It works by melting away dead skin cells and reducing inflammation, making it a standard in acne treatments.

Sodium Hydroxide is a highly alkaline compound commonly used in cosmetics primarily as a pH adjuster. It helps to modify the acidity or alkalinity of formulations, ensuring that products maintain a stable and effective pH level for skin compatibility. Formulators may add Sodium Hydroxide to enhance the performance of other ingredients, improve product stability, and ensure that the overall formulation meets the desired specifications for safety and efficacy.