Pots of make up with cosmetic brushes

Bare Escentuals prides itself on making cosmetic products with natural ingredients that are free of chemicals and preservatives. Arguably the most popular cosmetic in the Bare Escentuals line is the Bare Minerals foundation. There are five basic ingredients in Bare Minerals foundation.

Titanium Oxide

Titanium oxide is used in pigmentation. The mineral has a brightening effect, and is often used in sunscreen products as it helps protect against damaging UV light.

Zinc Oxide

Zinc oxide is a white powder often used as a lightening agent. Zinc oxide is highly effective at blocking UV rays that damage skin. The mineral is also very water-resistant.


Mica is a finely ground mineral with reflective properties. Mica comes in a variety of colors and has a translucent quality when used in cosmetics.

Iron Oxide

Iron oxide has a signature red or rust color. The mineral has been used as a pigment in paints and cosmetics for centuries. The mineral is non-toxic and highly water-resistant.

Bismuth Oxychloride

This mineral is found in many types of cosmetics. Bismuth oxychloride has a white pearly sheen that gives makeup a frosted or pearlescent glow.