What is cosmetics?

Cosmetics(usually known as make-up) are care substances used to enhance the appearance or oodor of the human body. They are generally mixtures of chemical compounds, some coming from natural sources, many being synthetic.

where are they from ?

In the U.S.A the Food and Drug Administration(FDA) which regulates cosmetics defines cosmetics as "intended to be applied to the human body for cleansing, beautifying, promoting attractiveness, or altering the appearance without affecting the body's structure or functions."

info sources: http://en.wikipedia.org/wiki/Cosmetics