Black Soap Worldwide — Beldi, African Black Soap, and Savon Noir Compared

What exactly is black soap?

The term "black soap" does not describe a single ingredient, but three completely independent cleansing products from three different cultures — which merely look similar. All three have a dark brown to black color, a soft to pasty consistency, and a high proportion of vegetable oils. But when it comes to the first question — What is the soap made with? — the paths diverge completely.

In Morocco, black soap is Beldi soap (also called Savon Beldi), a fermented olive paste product deeply rooted in hammam culture. In Ghana, Nigeria, and Ivory Coast, it's African Black Soap, made from the ashes of plantain peels and shea nuts. And in the households of many French and Belgian families, you'll find Savon Noir, a concentrated potassium hydroxide olive soap originally invented for floor cleaning and now conquering the cosmetics world.

What unites all three: they have been passed down for generations, are free of synthetic additives, and work significantly more intensely than modern industrial soaps. What separates them is at least as interesting.

Moroccan Beldi Soap — the Queen of the Hammam

Beldi soap essentially contains only two ingredients: ripe black olives and potassium hydroxide. This simplicity is deceptive — because behind it lies a manufacturing process that takes weeks. The olives are cold-pressed, the pulp is mixed with potassium hydroxide, and then slowly cooked until a dark green to black-brown paste is formed, rich in polyphenols and vitamin E.

The word beldi comes from Arabic and means something like "from the country" or "traditional" — in contrast to roumi, which means European or modern. In Morocco, Beldi soap is inextricably linked with the public hammam: it is applied before exfoliation with the Kessa glove, swelling the skin and softening dead skin cells so that they come off in long rolls when rubbed.

Authentic Beldi soap has an earthy, slightly fermented note — some describe it as spicy-olive-like. It is not a fragrance product, and that is intentional. When buying Beldi, you should pay attention to the consistency: it should be pasty and smooth, not watery or crumbly. The pH value is clearly in the alkaline range (around 9–10), which stimulates skin renewal but also means: immediately after the hammam, use a moisturizing oil.

African Black Soap — West Africa’s Skincare Treasure

African Black Soap, known as Alata Samina in Ghana and Ose Dudu in Nigeria, contains something not found in any other black soap: plant ash. Dried plantain peels, cocoa pods, or palm leaves are burned to ash, which then serves as a natural lye. This ash is mixed with shea butter, raw coconut oil, palm kernel oil, and sometimes honey or aloe vera, and processed into soap by heating it with constant stirring.

The ash content makes the crucial difference. The ash contains natural saponins — compounds that emulsify fat and cleanse the skin — as well as a high concentration of potassium and magnesium. The result is a soap that deeply cleanses while simultaneously moisturizing due to the shea butter. African Black Soap is therefore particularly popular for skin prone to acne, eczema, or hyperpigmentation.

Compared to Beldi, African Black Soap is more foamy — the lather is creamy-brown and has a slightly earthy-chocolatey scent. While Beldi is a paste that you massage in, African Black Soap can also be used as a solid bar or liquid version. The contact time is shorter, and a separate mechanical exfoliation like the Kessa glove is not strictly necessary — the soap already provides a mild chemical exfoliation effect due to the ash.

Savon Noir — the French Olive Soap

Savon Noir from France (or Belgium, where it is called Groene Zeep) consists of olive oil or linseed oil and potassium hydroxide — and nothing else. It has the highest concentration of all three: a true Savon Noir is a completely unsaponifiable mass containing up to 30% active potassium oleate. Originally, it was a household cleaner — for floors, wood, leather — but in recent years, it has gained strong attention as a personal care and natural cosmetic product.

Savon Noir from Provence or Belgian Flanders has a thick, liquid consistency, is almost black, almost odorless, and extremely economical — a teaspoon is enough for the entire body. Due to its high content of unsaponifiable olive oil, it nourishes the skin, while the potassium hydroxide cleanses deeply. It is also suitable for hammam purposes, but is not traditionally associated with it.

Compared to Moroccan Beldi, Savon Noir lacks the deep polyphenol content of black olives. It cleanses excellently, but its regenerating effect on the skin is weaker. However, Savon Noir is easier to dose, lasts longer, and can also be used as a household cleaner — whereas Beldi is exclusively for skin care.

The Direct Comparison: Ingredients & Effects

Side by side, the three black soaps show how differently the same idea — a dark, pasty natural soap — has been realized on different continents. Here are the most important differences at a glance:

The most striking result of this comparison: only Beldi soap is truly designed as a body care ritual — it is not a stand-alone product, but part of a multi-stage hammam process. African Black Soap, on the other hand, can be used daily as a normal body and face soap. Savon Noir is the most versatile of the three, but the weakest in terms of intensive skin care.

Which black soap is right for you?

The choice depends less on your skin type and more on how you want to practice body care. Here's an honest assessment:

The Beldi Ritual at Home — Step by Step

Those who try Beldi soap for the first time are often surprised: the soap doesn't foam, it smells unusual, and little happens on dry skin. The trick lies in the preparation. In the hammam, moist heat opens the pores and allows the skin to swell — at home, you simulate this with a long hot bath or an extended warm shower.

1. Prepare skin: Stand under warm to hot water or soak in the bathtub for 10–15 minutes. The skin really needs to be well moistened — not just a quick rinse.
2. Apply Beldi: Rub a hazelnut-sized amount of Beldi soap between your hands and massage it onto your damp body. Work it in with circular motions and let it sit for 5–10 minutes. Do not rinse.
3. Use Kessa glove: Put on the Kessa glove and rub it over your skin with medium pressure — first on your arm, then chest, back, legs. You will see gray rolls of skin coming off. This is normal and a sign that it is working.
4. Rinse: Rinse thoroughly with warm water until all soap and detached skin particles are removed. Briefly rinse with cold water to close the pores.
5. Massage in oil: Your skin is now particularly receptive. Apply argan oil, almond oil, or another body oil immediately to slightly damp skin and massage it in — do not dry off, but let it absorb.

If you perform the entire ritual once a week, you will clearly feel the difference in skin texture after four weeks. Many report that their skin appears silkier, more even, and more radiant after regular Beldi applications than after any other skincare product they have ever tried.

Frequently Asked Questions