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Aleppo Soap: The World's Oldest Soap – History, Craft, Benefits, and Authenticity Guide

The Origins of Aleppo Soap

Originating in Syria over 3,000 years ago, Aleppo soap holds the distinction of being the world's oldest known soap. As an ancestor to Marseille soap, it lacks a protected designation of origin but is still primarily crafted in Aleppo. Introduced to Europe during the Crusades in the 12th century, its production has also taken root in Spain and Italy. Renowned for its powerful antiseptic properties, Aleppo soap is hypoallergenic and suitable for all skin types—from the driest to the most sensitive, including baby skin. Dermatologists widely endorse its regenerative benefits, thanks to high levels of moisturizing active ingredients, making it ideal for conditions like psoriasis, eczema, and acne.

How Aleppo Soap Is Made

Aleppo soap's stellar reputation stems from an ancient recipe using only natural ingredients. Primarily made from premium olive oil, it's a superfatted cleanser that restores the skin's hydrolipidic barrier and preserves its natural suppleness. The process begins by heating olive oil—sourced from a second cold pressing—with natural soda (such as from glasswort) for three days to achieve saponification. Laurel berry oil is then added for its signature scent. The resulting paste is spread out, cut into large blocks, and sun-dried for about 10 months. Stamped with its distinctive seal, authentic Aleppo soap reveals a deeper color in its core when sliced.

How to Recognize Authentic Aleppo Soap

Like many artisanal products, Aleppo soap faces widespread counterfeits. To avoid fakes loaded with harmful, irritating chemicals, look for these hallmarks of the real deal, which delivers true soothing and hydrating benefits. Genuine soap feels dry to the touch with no oily residue. Its color ranges from brown to green, reflecting its olive oil base. Opt for labeled soaps listing ingredients—steer clear if palm oil or synthetics appear. Finally, consider the price: laurel berry oil is costly, so suspiciously cheap bars are likely imitations.