Dudu Osun Black Soap Review So this Summer, I have been on the quest to make all my health and beauty products more natural. The first change I had to do,was with my shampoo which dried out my hair- due to the sulfate.The first all natural cleanser that came to mind was African black soap which I grew up with in Nigeria. Jan 15, 2012 · Not really, its simply meant to clarify and smooth your skin tone of blemishes, scars, and acne if you suffer from it. I think what you might have purchased is a black soap with a lightening additive. Dudu Osun Black Soap is crafted entirely from natural ingredients and herbs, many handpicked in Africa this soap will have you feeling refreshed and silky smooth. Dudu Osun restores damaged skin and is helpful in healing chronic eczema, acne, freckles, and dark spots. Scented with osun (camwood extract), citrus juices, and native honey.