This document discusses face powders, including their ideal properties, ingredients, manufacturing processes, and evaluation. It covers both loose and compact face powders. Key points include:
- The main ingredients in loose face powders are talc, kaolin, chalk, zinc oxide, and titanium dioxide. Binders like stearates are also used.
- Compact powders use binding agents like stearates, oils, gums, or emulsions to form cakes that are compressed.
- Loose powders are mixed and sifted by hand or machine. Compact powders can be made by wet molding, damp compression, or dry compression in mechanical presses.
- Properties of face