Activated charcoal soap is popular for skincare because charcoal can adsorb oils and impurities on the skin's surface. However, many claims about it are based more on marketing than strong scientific evidence. Potential benefits May help remove excess oil: It can leave oily skin feeling cleaner and less greasy. Deep cleansing: It may help lift dirt, sunscreen, and other surface impurities when combined with cleansing ingredients. May improve the appearance of pores: By removing oil and debris, pores can appear less noticeable, though the soap does not actually shrink them. Can be helpful for oily or acne-prone skin: Some people find it reduces shine and helps prevent clogged pores. However, the soap itself is not a proven acne treatment. Exfoliating effect (in some formulations): Some charcoal soaps contain ingredients that gently exfoliate dead skin cells.