The Ordinary Hyaluronic Acid 2% + B5 Hydrating Serum with Ceramides vs Cetaphil Repair & Renew Serum

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.

Sodium Hyaluronate is the sodium salt of hyaluronic acid, a naturally occurring substance in the body known for its remarkable ability to retain moisture. As a humectant, it attracts and binds water to the skin, helping to maintain hydration and improve the skin's overall texture and appearance. Formulators often include Sodium Hyaluronate in cosmetic products to enhance moisture levels, promote a plump and youthful look, and provide a smooth application experience. Its lightweight nature allows for easy absorption, making it a popular choice in various skincare formulations.

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.

PENTYLENE GLYCOL is a cosmetic ingredient recognized for its functions as a skin-conditioning agent and solvent. As a skin-conditioning agent, it helps to improve the feel and appearance of the skin, making it smoother and more hydrated. This function is particularly valuable in cosmetic formulations aimed at enhancing skin texture and moisture retention. Additionally, as a solvent, PENTYLENE GLYCOL aids in dissolving other ingredients, facilitating their incorporation into formulations and ensuring a uniform distribution throughout the product. Formulators may add this ingredient to enhance the overall efficacy and sensory experience of their products.

HYDROLYZED HYALURONIC ACID is a modified form of hyaluronic acid that has been broken down into smaller molecules, allowing for better penetration and absorption in cosmetic formulations. It serves multiple functions, primarily as a humectant, which helps to attract and retain moisture in the skin and hair. Additionally, it acts as a skin-conditioning and hair-conditioning agent, contributing to a smoother and more hydrated appearance. Formulators may include this ingredient to enhance the moisturizing properties of their products, providing a more effective hydration solution for both skin and hair.

Panthenol, also known as Pro-Vitamin B5, is a versatile ingredient commonly used in cosmetic formulations for its humectant and skin-conditioning properties. As a humectant, it helps to attract and retain moisture in the skin, contributing to a hydrated and plump appearance. Additionally, Panthenol is known for its ability to improve skin barrier function and enhance the overall texture of the skin, making it a popular choice among formulators looking to create products that promote softness and smoothness. Its multifunctional nature allows it to be included in a wide range of skincare and haircare products.

CITRIC ACID is a multifunctional ingredient commonly used in cosmetics for its buffering, chelating, and fragrance properties. As a buffering agent, it helps to maintain the pH balance of formulations, which is essential for the stability and effectiveness of various cosmetic products. Its chelating function allows it to bind metal ions, which can enhance the overall performance and longevity of the formulation by preventing the degradation of other ingredients. Additionally, CITRIC ACID can contribute to the fragrance profile of a product, adding to the sensory experience of the user. Formulators may include CITRIC ACID to improve product stability and enhance the overall user experience.

SODIUM CITRATE is a sodium salt of citric acid, commonly used in cosmetics for its multifunctional properties. It primarily serves as a buffering agent, helping to maintain the pH balance of formulations, which is crucial for product stability and skin compatibility. Additionally, it acts as a chelating agent, binding to metal ions that can affect the efficacy and stability of other ingredients, thereby enhancing the overall performance of the product. Furthermore, SODIUM CITRATE may contribute to the fragrance profile of formulations, although it is important to note that it can also be associated with fragrance-related risk flags.