The soap cleanses gently, so it’s ideal for people with rosacea, rashes, dryness and other skin conditions. African black soap contains plantain extract, which has antibacterial properties that may help treat acne breakouts. Black soap, also known as African black soap (anago soap, alata simena, and dudu-osun), has long been used to heal problem skin. It’s good for thinning fine lines, evening out dark spots, eczema, razor bumps and eliminating blemishes. It is also used to lightly exfoliate and give you healthier looking skin.