Microcrystalline cellulose is a white, odorless powder derived from plant fibers, primarily wood pulp. It is commonly used as a food additive and is recognized for its ability to improve texture and stability in various products. As an insoluble fiber, it can also aid in digestion. In addition to its use in food, microcrystalline cellulose is found in pharmaceuticals and cosmetics. It serves as a bulking agent, helping to create the desired consistency in tablets and creams. Its versatility makes it a popular ingredient in many industries, contributing to both functionality and quality.