Activated charcoal will peel away the blackheads, acne and oil quickly and efficiently. Shrinking Pores – With very strong absorptivity, the mask can absorb the extra oil and dirt from inside the skin, so as to shrink pores and strengthen skin. Attention - Before you use the mask, you can take a little on the inside of the wrist, or behind the ears, half an hour after the adverse reactions. On the contrary, over 10-15 minutes, you can apply the mask. Activated charcoal will peel away the blackheads, acne and oil quickly and efficiently. Shrinking Pores – With very strong absorptivity, the mask can absorb the extra oil and dirt from inside the skin, so as to shrink pores and strengthen skin. Attention - Before you use the mask, you can take a little on the inside of the wrist, or behind the ears, half an hour after the adverse reactions. On the contrary, over 10-15 minutes, you can apply the mask.