Mattifying beauty products almost always use a combination of talc starch silica and chalk calcium carbonate to create a matte skin finish we do not like these technologies because a they also bind to water not just oil and so are drying which is very different than mattifying b some of them are bad for you search about talc related lawsuits c they do not blend well with many forms of makeup mattifying should not mean drying in fact matte skin should be just as comfortable a