Veil of the Earth Detox Face Mask Powder. This natural detox face mask from Cattail Apothecary is gentle enough for all skin types, but is especially beneficial for acne prone skin and blackheads. Charcoal and bentonite clay combine to create a powerful team that draws out and absorbs heavy metals, dirt, bacteria and other impurities. While calendula and lavender flowers promote healing and soothe irritated skin naturally.