Magnesium aluminum silicate may not be a familiar skincare ingredient, but chances are you’re already using it every day. It’s widely used by cosmetic formulators because of its versatility and ability to improve the texture and stability of products across many categories. When it comes to direct skin benefits, however, it doesn’t offer much. In short, it’s not an ingredient you need to specifically look for in your skincare routine—but it’s also not one you need to avoid. M