What type of brush is commonly used for applying powder foundation?

A flat buffing brush is commonly used for applying powder foundation due to its design and functionality. This type of brush has a dense, flat head that allows for even application and blending of powder products on the skin. Its structure is optimized to pick up and distribute powder foundation smoothly, helping achieve a flawless finish. The flat surface aids in pressing the powder onto the skin, which minimizes the appearance of pores and imperfections while ensuring that the product adheres well.

In contrast, other tools like a round kabuki brush, blending sponge, or tapered detail brush serve different purposes. A round kabuki brush is often used for buffing and blending products in circular motions, which may be less effective for achieving a flat, even layer of powder foundation. A blending sponge is typically designed for liquid and cream foundations, allowing for a sponge-like texture that doesn't lend itself well to powder application. Lastly, a tapered detail brush is usually used for precision work or applying specific products (like highlighter or eyeshadow) rather than applying an all-over foundation. Thus, while they each have their appropriate uses, the flat buffing brush is specifically tailored for powder foundation application.