What it is
Nylon-12 is a synethtic polymer. It occurs in powder form.
What it does
Nylon-12 has absorbent properties, thus helping reduce shine. In addition, it imparts a silky feel to skin and doesn’t settle into fine lines, so it won’t emphasize them.
Nylon-12 is also used as a thickening agent to adjust the consistency of products.
Nylon-12 is generally considered to be safe.