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About Fat Ash Soap

Handmade soap from rural Michigan, crafted with simple ingredients and old-fashioned care.

Handmade soap from ancient times was made with lye filtered from hardwood ash, which was then combined with all types of animal fats. It was suitable, but without the lather we enjoy today. Our family’s signature lye soap, Fat Ash Soap, is still made the old-fashioned way. We hand render lard and tallow from humanely raised livestock from local farms. However, we use modern lye and coconut oil for a luxurious lather.

Another of our natural soaps is specially formulated with no animal fats. The Big Fat Lye bars are 100% vegan, made with coconut, avocado, grape seed, pumpkin seed, and apricot kernel oils. For those who enjoy a scent, we chose time-tested pure lavender essential oil. Enjoy the calming properties of this amazing oil, which was very popular during the Victorian era and continues to be loved today.

The newly added Fat Face premium exfoliating bar combines the best of both worlds and adds the perfect balance of scrubbing and stimulating. Our soap bars are big, REALLY BIG! A true old-fashioned value. You will be hard pressed to find another bar of soap as big as ours. We encourage you to cut one of our bars into two or three of today’s average-sized bars and share with friends and family.

Share our passion for old-fashioned. Try our handmade soap today.

All Natural Handmade Soap

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Did you know?

According to Wikipedia, “Lye” is commonly the alternative name for sodium hydroxide (NaOH), or historically potassium hydroxide (KOH).

While our ancestors did indeed make their own lye from hardwood ashes, this process can be dangerous and produce inconsistent results. That is why most modern soap makers, including us, use pre-made sodium hydroxide lye. And that’s no lie!