Back to Ingredient Dictionary

PHOSPHORUS PENTOXIDE

Description

Phosphorus pentoxide, also known as phosphoric anhydride or P2O5, is a powerful desiccant and dehydrating agent widely used in various skincare and cosmetic formulations. This inorganic compound is a white, crystalline solid that readily absorbs moisture from its surroundings, making it an effective ingredient for controlling product consistency and stability.

In skincare, phosphorus pentoxide serves multiple purposes. It acts as a pH adjuster, helping to maintain the optimal acidity level of formulations. This is crucial for preserving product efficacy and ensuring skin compatibility. Additionally, its moisture-absorbing properties make it valuable in oil-control products and mattifying formulations, particularly beneficial for individuals with oily or combination skin types.

Phosphorus pentoxide also functions as a buffering agent, helping to stabilize other ingredients in the formula. It can enhance the penetration of active ingredients into the skin, potentially improving their effectiveness. However, due to its potent dehydrating nature, careful concentration control is essential to prevent excessive skin drying. When used appropriately, phosphorus pentoxide contributes to product longevity, texture improvement, and overall formulation stability in a wide range of skincare products.

Products with this Ingredient