They allow Matte 12 to repel water and bind only to oil so the product doesn't dry out the skin (in fact, Matte 12 can easily be used on dry skin for a matte finish
They are elastic and form an incredibly soft finish to the skin;
They are nearly-perfectly spherical in shape (unlike many powders) making them a fantastic base that can work under any makeup (or used happily alone);
Matte 12 is intended for all skin types including dry skin. On most skin types, the effect of the product will last for up to 12 hours.