Chaoshan black soap is a special product, which originated in Chaoshan area of China. It is a traditional handmade soap, which is famous for its unique appearance and composition. The color of Chaoshan black soap is usually dark black or dark brown, because its main components contain herbs, oils and Chinese herbal medicines. After special curing and fermentation, these ingredients make soap appear black. The production technology of Chaoshan black soap has a long history and has been passed down from generation to generation. It is considered to have the functions of skin care and cleaning.