Skin Care With Clay Mask. Not all clay masks are the same. Some even have added chemicals that can cause you to breakout and only a small amount of the real active ingredient the clay! For half of what you would pay for a single mask at a spa you can have 10 to 20 more if you just buy what they use, TerraSilk IONIC minerals that detox and heal. Use just on face or whole body mask. Let dry, gentle rub off what you can then shower, moisturize. On Amazon.