What is the primary function of talc in cosmetic formulations?

The primary function of talc in cosmetic formulations is to absorb moisture, prevent caking, and improve the feel of the product. Talc is a mineral that has excellent absorbent properties, making it effective in controlling oil and moisture on the skin. This characteristic is particularly useful in products like powders, where it helps to keep the formulation dry and enhances its application.

By preventing caking, talc ensures that makeup products apply smoothly and evenly, providing a more pleasing user experience. Additionally, its fine texture contributes to a silky and soft feel when applied to the skin, which is highly desirable in cosmetic formulations. This versatility makes talc a common ingredient in a variety of makeup products, including foundation, blush, and setting powders, allowing for effective performance and user satisfaction.