1/The turmeric soap and the turmeric soapiness share the fact that they are natural products for skin lightening and treating pigmentation using "Yemeni turmeric". Turmeric soap is usually a concentrated solid bar, 2/ while turmeric soapiness is a soft creamy mixture that is easy to distribute, and is often combined with moisturizing oils such as sesame oil to purify and rejuvenate the skin.