A History of Soap
Soap making dates back to ancient civilizations, with the earliest evidence for it found around 2800 BC in ancient Babylon.
Its initial discovery was most likely a pure accident accident, probably something along the lines of, animal fats dripping onto wood ash from meats cooking over a wood fire. The combination of the fats with the wood ash along with some water would have produced a weak detergent (a soap type of mixture/paste), which was probably discovered unintentionally when cleaning up around said fire at a later date.
In ancient Babylon (modern day Iraq), Archaeologists discovered clay cylinders inscribed with a soap-making formula, suggesting an early understanding of combining fats with alkalies to produce cleansing agents.
In ancient Egypt, soap was not only used for washing but also held medicinal and perhaps ritual purposes, highlighting its versatile role in daily life.
The Greeks and Romans, who were introduced to soap we believe through the Celts, initially used soap primarily for cleaning clothing & other textiles, but they eventually adopted it more broadly for personal hygiene and bathing rituals.
During the Middle Ages in Europe, soap production became increasingly localised and was often carried out by skilled craftsmen using a mixture of animal fats and wood ash (wood ash produced a weak alkali called ‘Potash’). The art and knowledge of soap making were closely guarded by guilds, and because of its limited availability, soap was considered a luxury item accessible mainly to the wealthy. The process saw significant improvement in the 7th century within the Islamic world, where vegetable oils were preferred over animal fats, and alkali substances were developed from substances such as quick lime, enhancing both the quality and variety of soap products available.
In the 18th and 19th centuries, the Industrial Revolution introduced mechanisation to soap production, allowing for mass manufacture and greatly increasing its accessibility to the general population. The scientific discovery of the chemical structure of fats and alkalis played a pivotal role, helping to standardise and improve the consistency and quality of soap. Today, soap making encompasses a wide variety of methods, ranging from traditional cold and hot process techniques passed down through generations, to modern synthetic formulations designed for specific uses. Nonetheless, the fundamental principles of combining fats with alkalis to create cleansing agents remain deeply rooted in this age old craft.
