What is a suspension in cosmetic terms?

In cosmetic terms, a suspension refers to a state where solid particles are evenly distributed throughout a liquid. This means that the solid particles are not dissolved in the liquid, allowing them to remain suspended. This characteristic is essential in many cosmetic products, as it affects the texture, application, and effectiveness of the formula.

For example, in certain cosmetic formulations, pigments or active ingredients may be part of a suspension to ensure they are evenly distributed throughout the product before application. This ensures that the product delivers consistent results and performance across its use.

Understanding the nature of suspensions is crucial in cosmetics and skincare because it influences how products behave during application and their ultimate effectiveness on the skin. This contrasts with solutions where components are fully dissolved, and with emulsions, where oil and water are mixed to form a stable product. Additionally, a solution of two gases does not pertain to the context of cosmetic formulations.