Show Last summer I opened up my freezer to a full shelf and drawer of frozen breast milk ~ though I was breastfeeding my 5th child still at that time, up until then I had been breastfeeding and pumping my extra milk to freeze and have on hand in case something happened. I got to a point where I really wanted to use some of it to make homemade soap (with lye) and so I ventured to do just that. After a few batches, I had extra milk from our local raw dairy and started making more soap with that excess… and before you know it, I had 600+ bars of soap curing in my home. I’d be hard pressed to say I wasn’t having fun with this little hobby, and as an end result, started selling soap to family and friends who were looking for natural ways to take care of their family without the harsh chemicals in commercial beauty products. One of the biggest questions I faced from people during this process was not just how to make homemade soap, but “what is the difference between cold and hot process soap?” I love making my own soap, smelling soaps at craft and vendor fairs and gifting soap to family and friends. My husband didn’t understand why the passion for soapmaking, and often times asked “who wants to buy homemade soap when you can buy in store?” My answer was easy: Because I LOVE making my own soap.. it’s fun and I prefer to do it myself. Those of us who make our own cold process soap do so for many reasons:
There are four types of soap making for bar soaps – hot process, cold process, melt and pour, and milling. One of the most common questions is “What is the difference between cold and hot process soap making?” While they have their differences, cold and hot process are similar in 3 different areas:
Cold Process SoapCold process, just like hot process soap, is made with oils and lye. You combine the lye with the water (milk, tea, or even fruit juice) and in a separate container, combine the oils – when the temperature of each (oils & lye liquid) when they are within 10-15 degrees of each other. Once you combine, you use an immersion/stick blender to bring the mixture to trace, and pour into your mold.
The disadvantage of cold process soap is that once poured into the mold, it takes anywhere from 24-48 hours for that saponification process to occur. The soap is then removed from the mold, sliced into bars and cures for 4-6 weeks. The longer the cure time, the harder the bar, as the water/liquid within the soap has an opportunity to evaporate. Hot Process SoapSimilar to cold process soap, hot process soap is also made with oils and lye – but instead of stick blending until it hits trace (a thick batter) and being poured into a mold, it is mixed and heated in the slow cooker, somewhere between 140 degrees F and 176 degrees F. That slow cooker helps that batter go through saponification until the soap reaches gel phase (1-2 hours).
There are many advantages of hot process, one being the shortened cure time (you can use it almost immediately after they have hardened) but many avoid hot process because the look isn’t as clean and polished as cold process soaps. Many people have said though that the scents tend to last longer in hot process since they are added after saponification – that chemical reaction between the lye and oils can sometimes have a difference on the scent you wish to use. All in all, there are lots of pros and cons with both – and neither is better than the other. In the end, it’s truly a matter of personal preference. If you make soap, which type do you prefer – hot or cold process? Is hot process or cold process soap better?The benefits of natural soap making ingredients like coconut oil, shea butter and olive oil can lessen through the heating process in hot process soap techniques; however, the cold process method ensures these natural ingredients are better preserved.
Is cold processed soap better?Depending on the ingredients you use, cold process soap making typically yields a long-lasting bar of soap. Cold process soaps are better for the environment, healthier for the skin and can be made incredibly moisturising with limitless designs and recipes. The only limit is your creativity.
What are some advantages of using the hot method over the cold method for soap making?Benefits of Hot Process Soapmaking for Production. Hot process soaps require a shorter cure time. ... . Hot process soapmakers get to ditch their ricing and acceleration worries due to fragrance. ... . Hot process soapmaking allow you to choose your superfat oil/butter. ... . Hot process soaps are less prone to colorant morphing.. Is cold pressed soap better than melt and pour?Melt and pour soap cools and hardens quickly. This means some swirls that can be made with cold process soap are not possible with melt and pour. Melt and pour soap can burn if it becomes too hot. Once burned, the base becomes thick, gloopy and difficult to work with.
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