How to Make Your Own Soap (with Pictures) - wikiHow
Sep 19, 2020·A well-made soap - that is a soap that is made with fresh, long-lasting oils of good quality, and most importantly, a low "superFat" percentage, can last many, many months or even years in storage. In contrast, a soap made with old, expired or poor quality oils, and/or a high "superfat" percentage, may turn rancid/"go off" after a few months ...