The ingredient of talcum powder are: Talc, i.e., Hydrated Magnesium Silicate, activated Calcium Carbonate or Titanium Dioxide, Perfume, and Dipropylene Glycol. The ingredient of compact powder is Talc, Dimethicone, Vitamin E, Preservatives, Perfume, Anti-caking agents, and fillers. However, both have the same results, it only varies upon the usages.