Kiehl's Since 1851 Ultra Facial Moisturizer vs Oak Essentials Moisture Rich Emulsion

Aqua, commonly known as water, serves primarily as a solvent in cosmetic formulations. It is the most abundant ingredient in many products and is essential for dissolving other ingredients, facilitating their application and absorption on the skin. Formulators often add Aqua to create a suitable texture and consistency, ensuring that products are easy to spread and apply. Additionally, water can help to hydrate the skin, making it a vital component in many moisturizing formulations.

SQUALANE is a skin-conditioning emollient that serves multiple functions in cosmetic formulations. As an emollient, it helps to soften and smooth the skin, making it feel more hydrated and supple. Additionally, SQUALANE acts as a hair-conditioning agent, which can enhance the appearance and manageability of hair. Its refatting properties allow it to replenish lipids in the skin, which can be beneficial in maintaining the skin's barrier function. Formulators may add SQUALANE to products to improve texture and provide a luxurious feel, while also contributing to overall skin and hair health.

GLYCERIN is a versatile ingredient commonly used in cosmetics for its multiple functions. It acts as a humectant, which means it helps to attract moisture to the skin and hair, making it beneficial for maintaining hydration. Additionally, it serves as a skin-conditioning agent, enhancing the overall feel and appearance of the skin. As a denaturant, it can modify the properties of other ingredients, while its role as a solvent allows for the effective dissolution of other components in a formulation. Furthermore, GLYCERIN contributes to viscosity control, helping to achieve the desired thickness of a product. Its use in oral care products highlights its broad applicability across different cosmetic categories. Formulators may add GLYCERIN to improve the texture, stability, and moisturizing properties of their formulations.

STEARIC ACID is a fatty acid commonly used in cosmetics for its multifunctional properties. It serves as a cleansing agent and a surfactant, helping to emulsify and stabilize formulations, which is essential for creating smooth and consistent textures in creams and lotions. Additionally, it can act as a refatting agent, replenishing skin lipids that may be stripped away during cleansing. Formulators may add STEARIC ACID to enhance the overall stability and performance of a product, as well as to contribute to its sensory attributes, such as texture and feel on the skin.

Tocopherol, commonly known as Vitamin E or Alpha Tocopherol, is a fat-soluble antioxidant that plays a crucial role in protecting skin cells from oxidative stress caused by free radicals. Its antioxidant properties help to stabilize and preserve the integrity of cosmetic formulations, thereby enhancing their shelf life and effectiveness. Formulators often include Tocopherol in products to provide additional skin benefits, such as moisturizing and soothing properties, making it a popular choice in skincare and cosmetic products.

DICAPRYLYL ETHER is a synthetic emollient commonly used in cosmetic formulations for its skin-conditioning properties. It functions primarily as a skin-conditioning agent and solvent, helping to improve the texture and feel of products while providing a smooth application on the skin. Formulators may add DICAPRYLYL ETHER to enhance the overall sensory experience of a product, as it can impart a lightweight, non-greasy feel, making it suitable for various formulations aimed at moisturizing and softening the skin.

GLYCERYL STEARATE is a versatile ingredient commonly used in cosmetic formulations for its properties as a skin-conditioning emollient and surfactant-emulsifying agent. It helps to improve the texture and feel of products by providing a smooth, moisturizing effect on the skin, making it an ideal choice for creams and lotions. Additionally, it aids in the emulsification process, allowing oil and water components to blend effectively, which enhances the stability and performance of the formulation. Formulators may add GLYCERYL STEARATE to achieve a desirable consistency and to enhance the overall sensory experience of the product.

PEG-100 STEARATE is a polyethylene glycol derivative of stearic acid, commonly used in cosmetic formulations as a surfactant and cleansing agent. Its primary function is to help emulsify and stabilize products, allowing oil and water components to mix effectively. This ingredient can also aid in the cleansing process by helping to remove dirt and impurities from the skin or hair. Formulators may add PEG-100 STEARATE to enhance the texture and consistency of products, providing a smoother application experience. Additionally, its surfactant properties can improve the overall efficacy of cleansing formulations, making it a valuable component in various cosmetic products.