Soap de Marseille and Black Soap


Be careful not to confused the two kinds of black soaps! Even if they are similar in color and texture, they do not have the same composition. The body Black soap made of from an olive paste (crushed and macerated in olives) in salt and potash (potassium olivaate). It is presented in the form of a softer paste of a darker brown. Black Soap Household, is composed of potash and a fat body, olive oil, linseed oil, glycerin... Manufacture like all soaps, black soap is obtained by saponification. The materials necessary for the manufacture of black soap, are olive oil and potash (KOH). We use a mixture of oil and oils of black olives crushed and macerated in salt and potash. The formulas vary but the basic elements are always the same. So It’s an unnatural substance. The manufacture of black soap is the result of a slow and nonreversible transformation called hydrolysis or saponification. What is saponification? In Summary, it is a chemical reaction that reappears a neutralization but where the acid is an organic fat and where the products are a nonneutral salt, and glycerin: base + fat (acid) = soap + glycerin. This chemical transformation, which takes place at a temperature between 80 and 100 °c, is done in several phases: emulsion, autocatalysis, then saponification slow. At the end of this transformation, the ingredients used have disappeared. This saponification produces a mixture of potassium carboxylates that constitutes soap and glycerol or glycerin (a byproduct of this reaction). The Black Soap Thus obtained, is a paste of vegetable and oily scrub, perfectly smooth. Its consistency makes it look like honey. As for its color, it varies from green, dark brown to black. It depends on the oil used and the manufacturer
Laundry soap flakes made of 100 % vegetable soap of Marseille available in


  • 1lb
  • 2.2lb=1kg
  • 10kg
  • 25kg
  • soap of marseille flakes 1lb

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