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African black soap

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Dudu-Osun, a brand of African black soap, made by the Yoruba people of Nigeria

African black soap, or simply black soap (also known by various local names such as ọṣe dúdú, sabulun salo, and ncha nkota), is a kind of soap originating in Nigeria, invented by the Yoruba people.[1] It is made from the ash of locally harvested African plants and dried peels, which gives the soap its characteristic dark colour as well as oils derived from plant sources.[2][3] Black soap has become a popular toiletry product in North America.[4] In Nigeria, black soap is often made by women using traditional recipes and is often exported through fair trade groups.

Black soap has been found to have some antimicrobial properties[5][6][7] against skin microbiota such as Staphylococcus aureus, Escherichia coli and Candida albicans.

History

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The earliest origins of African black soap are traced to the Yoruba People of Nigeria.[8][9][10] It is intertwined today with the cultural practices and natural resources of various West African ethnic groups. For instance, while some communities use shea butter, others incorporate palm oil into their soap-making processes.[3] However, the use of shea butter in African black soap production dates back to the 14th century.[11] Despite the soaps name african black soap are rarely black with some most quality ones ranging from beige to dark brown.[12] The earliest detailed account of African black soap appears in Awnsham Churchill's "A Collection of Voyages and Travels...," where it is noted that in the Senegambia region the Portuguese valued the soap, likely for its effectiveness.[13] However, they refrained from introducing the soap to Portugal to avoid disrupting their local soap-making industry.[14]

Additionally, Dutch merchant and diplomat David van Nyendael provided accounts of soap-making on the Gold Coast (modern-day Ghana), where locals used palm oil, banana leaves, and wood ash.[13] Nyendael noted that the soap-making techniques in the Gold Coast were very similar and differed little from the soap-making of the people of Benin in Nigeria, which according to James Welsh (an English explorer) had a fragrance of violet.[15][16] Oral history in Ghana points out that they were taught this soap making by the Yoruba people.[17] Today the soap is called Alata Semina in Ghana, which refers to Pepper Sellers soap, due to the peppers the Yoruba traders who taught them sold.[18]

Production and brand varieties

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Plant matter, such as plantain skins, palm tree leaves, cocoa pods and shea tree bark, is first sun-dried and then burned to produce ash (which supplies the alkali required to convert or saponify the oils and fats). Next, water and various oils and fats, such as coconut oil, palm oil, and shea butter, are added to the ash. The mixture is cooked and hand-stirred for at least 24 hours. After the soap solidifies, it is scooped out and set out to cure.[19][20][21]

A type of black soap known as ose-dudu originated with the Yoruba people of Nigeria. A combination of ose-dudu with leaves of the tropical camwood tree (Pterocarpus osun) produces a popular kind of soap with exfoliating properties called Dudu-Osun.[4] Other traditional Nigerian names for black soap include sabulun salo and ncha nkota.

References

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  1. ^ Aguh, Crystal; Okoye, Ginette A. (2016-12-06). Fundamentals of Ethnic Hair: The Dermatologist's Perspective. Springer. ISBN 978-3-319-45695-9.
  2. ^ Barker, Elizabeth (July 1, 2014). "Black Soap, Bright Skin". Vegetarian Times. Archived from the original on September 11, 2016.
  3. ^ a b Ogunbiyi, Adebola; Enechukwu, Nkechi A. (2021). "African black soap: Physiochemical, phytochemical properties, and uses". Dermatologic Therapy. 34 (3): e14870. doi:10.1111/dth.14870. ISSN 1396-0296. PMID 33571401.
  4. ^ a b Aguh, Crystal; Okoye, Ginette (2016). Fundamentals of Ethnic Hair: The Dermatologist's Perspective. Springer. pp. 139, 151. ISBN 978-3-31-945695-9.
  5. ^ Samaila AB, Yarma AA and Oshomoh EO. Anti-fungal and Anti-bacterial activities of Sabulun salo local soap in Bauchi Metropolis, Bauchi State, Nigeria. Special Fungal Pathogens Journal (SFPJ), Vol 1, No 1, pg: 0014-0018
  6. ^ Aliyu, M. S.; Tijjani, M. B.; Doko, M. H. I.; Garba, I.; Ibrahim, M. M.; Abdulkadir, S. M.; Abba, D.; Zango, U. U. (2012-01-01). "Antimicrobial Activity of Sabulun Salo a Local Traditional Medicated Soap". Nigerian Journal of Basic and Applied Sciences. 20 (1): 35–38. ISSN 0794-5698. Archived from the original on 2017-12-01. Retrieved 2017-05-01.
  7. ^ S, Ikpoh I.; A, Lennox J.; E, Agbo B.; S, Udoekong N.; A, Ekpo I.; O, Iyam S. (2017-03-31). "Comparative studies on the effect of locally made black soap and conventional medicated soaps on isolated human skin microflora". Journal of Microbiology and Biotechnology Research. 2 (4): 533–537. ISSN 2231-3168.
  8. ^ Aguh, Crystal; Okoye, Ginette A. (2016-12-06). Fundamentals of Ethnic Hair: The Dermatologist's Perspective. Springer. ISBN 978-3-319-45695-9.
  9. ^ Adewusi, Adedeji Oluwaseun; Akanle, Olayinka (2020-03-09). "Ọsẹ Dúdú: Exploring the Benefits of Yoruba Indigenous Black Soap in Southwest, Nigeria". International Indigenous Policy Journal. 11 (1). doi:10.18584/iipj.2020.11.1.10258. ISSN 1916-5781.
  10. ^ Bellafricana (2016-09-22). "African Black Soap: The History, Components and Benefits". Bellafricana. Retrieved 2024-08-23.
  11. ^ Lewicki, Tadeusz; Johnson, Marion (1974-10-03). West African Food in the Middle Ages: According to Arabic Sources. Cambridge University Press. ISBN 978-0-521-08673-8.
  12. ^ "What is black soap and how is it made?". AshantiNaturals. Retrieved 2024-05-23.
  13. ^ a b Churchill, Awnsham (1752). A Collection of Voyages and Travels, Some Now First Printed from Original Manuscripts, Others Now First Published in English. In Eight Volumes: With a General Preface, Giving an Account of the Progress of Trade and Navigation, from Its First Beginning. Illustrated with Several Hundred Useful Maps and Cuts, Containing Views of the Different Countries, Cities, Towns. assignment from Messieurs Churchill.
  14. ^ Churchill, Awnsham (1752). A Collection of Voyages and Travels, Some Now First Printed from Original Manuscripts, Others Now First Published in English. In Eight Volumes: With a General Preface, Giving an Account of the Progress of Trade and Navigation, from Its First Beginning. Illustrated with Several Hundred Useful Maps and Cuts, Containing Views of the Different Countries, Cities, Towns. assignment from Messieurs Churchill.
  15. ^ Roth, Henry Ling (1903). Great Benin; Its Customs, Art and Horrors. Metro Books. ISBN 978-0-8411-0075-6.
  16. ^ Hakluyt, Richard, ed. (2014), "A voyage to Benin beyond the countrey of Guinea made by Master James Welsh, who set foorth in the yeere 1588", The Principal Navigations Voyages Traffiques and Discoveries of the English Nation, Cambridge Library Collection - Maritime Exploration, vol. 6, Cambridge: Cambridge University Press, pp. 450–458, doi:10.1017/CBO9781107286306.056, ISBN 978-1-108-07134-5, retrieved 2024-05-23
  17. ^ "Our guide to African Black Soap". Aviela Skincare. Retrieved 2024-08-23.
  18. ^ "African Black Soap: Fascinating History, Types & Skin Benefits". African Fair Trade. 2021-06-22. Retrieved 2024-08-23.
  19. ^ Nelson, Jennifer (September 3, 2015). "What is African Black Soap?". Mother Nature Network. Archived from the original on May 16, 2016. Retrieved May 26, 2016.
  20. ^ Strausfogel, Sherrie (May 1, 2015). "African Black Soap". Better Nutrition. Archived from the original on September 11, 2016.
  21. ^ "5 Best African Black Soap". Archived from the original on 2022-12-29. Retrieved 2023-06-02.


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