Curing (Soapmaking)

In soapmaking, curing is the process of letting the soap sit and dry out after it has been made. This allows the soap to fully harden and dry, and also allows the chemical reaction between the lye and oils to fully complete.

The process of curing can take anywhere from a few weeks to a few months, depending on different factors such as the hardness of the oils used, the size and shape of the soap bar, and the humidity and temperature of the curing environment.

During curing, the soap will lose some of its water content and become firmer, which not only makes it easier to handle but also results in a longer-lasting bar of soap. The fragrance and color of the soap may also change slightly during the curing process, as the soap dries and the scent becomes more pronounced.

It's important to note that soap should not be used or sold until it has fully cured, as soap that is not fully cured is still too soft and may not last as long as properly cured soap. In addition, if a soap is made with a high percentage of soft oils or has a high superfat percentage, it may take longer to fully cure and may need to be left to cure for several months.

Properly curing soap is essential in creating a high-quality, long-lasting bar of soap that is also gentle and moisturizing for the skin. So, while it may require some patience and waiting, the end result of a well-cured soap is well worth the time and effort put into it.