C.O. Bigelow's clay cleansing mask gets down deep to thoroughly clean oily or blackhead prone skin, and areas of enlarged pores. This time-proven formulation of natural clays cleanses skin by absorbing dirt, oil and debris that tend to clog pores. Leaves skin looking ultra-clean. Absorbing Clay Formula contains Kaolin 13%, Bentonite 12% Developed by Bigelow Chemists Dermatologist Tested Not tested on animals How to Use: Apply a thin, even layer to clean skin. Allow mask to dry on face for 15-20 minutes When mask has set, remove with a warm, wet washcloth by gently patting the face, dissolving all traces of the mask Use 2-3 times per week or as needed. 4 oz.