Neutrogena Collagen Bank Vitamin C Face Serum Fragrance Free vs RODAN + FIELDS Pure C Serum with 10% Ascorbic Acid

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.

Ascorbic Acid, commonly known as Vitamin C or L-Ascorbic Acid, is a potent antioxidant widely used in cosmetic formulations. It is primarily included for its ability to neutralize free radicals, which can contribute to skin aging and damage. Additionally, Ascorbic Acid is known for its role in promoting a brighter complexion and supporting collagen synthesis, making it a popular choice among formulators aiming to enhance skin radiance and texture. Formulators may add Ascorbic Acid to products due to its multifunctional properties, as it can help improve the overall appearance of the skin while providing protective benefits. However, it is important to note that Ascorbic Acid can be a potential irritant, particularly for sensitive skin types, which is a consideration for formulators when developing products containing this ingredient.

Caprylyl Glycol is a multifunctional ingredient commonly used in cosmetics for its preservative and humectant properties. As a preservative, it helps to inhibit the growth of microorganisms, thereby extending the shelf life of cosmetic products. Its humectant function allows it to attract and retain moisture in the skin, contributing to hydration and a smoother appearance. Formulators may add Caprylyl Glycol to enhance product stability and improve the overall sensory experience of the formulation.

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

Ascorbic Acid, commonly known as Vitamin C or L-Ascorbic Acid, is a potent antioxidant widely used in cosmetic formulations. It is primarily included for its ability to neutralize free radicals, which can contribute to skin aging and damage. Additionally, Ascorbic Acid is known for its role in promoting a brighter complexion and supporting collagen synthesis, making it a popular choice among formulators aiming to enhance skin radiance and texture. Formulators may add Ascorbic Acid to products due to its multifunctional properties, as it can help improve the overall appearance of the skin while providing protective benefits. However, it is important to note that Ascorbic Acid can be a potential irritant, particularly for sensitive skin types, which is a consideration for formulators when developing products containing this ingredient.

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.

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.

GLUCONOLACTONE is a naturally occurring polyhydroxy acid (PHA) that serves multiple functions in cosmetic formulations. It is primarily known for its chelating properties, which help to bind metal ions and prevent them from destabilizing the formulation or affecting the skin. Additionally, GLUCONOLACTONE acts as a skin-conditioning agent, providing hydration and improving the overall texture of the skin. Formulators may add this ingredient to enhance product stability and to contribute to a more moisturized and smooth skin appearance.