There are two different types of soap making.
The most common method of soap makers is the
Cold Process and the Hot process. I will
go through quickly the major differences, and then tell you how we make ours
and why.The Hot Process –
All soaps are made with Lye (Sodium Hydroxide). You add the lye to the water mixture of the
soap not the other way around. Adding water to the lye would be very dangerous,
lye heats up and gets very hot. You have
to add the lye in slowly and in the right conditions to prevent burning your
mixture or burning yourself.
After that process is done, you add this mixture to your oil
or fats. And blend the two together with a stick blender. You can add at this point your other elements
such as oatmeal, botanicals, etc. Making sure it mixed well.
It then goes into the oven at 185-190 degrees for about
20-30 minutes. It will start into the gel stage and you keep stirring, during
the stage. But back in for another 20-30
minutes until it starts looking like mashed potatoes and then it is almost
ready.
Once it gets into the mash potatoes phase you will need to
check it to make sure it is done. I do a
little taste test. Put the tip of my
finger into the soap mixture the touch it to my tongue. If you get the sting of the lye then it is
not Saponified (term used for the chemical change lye goes through with the
proteins and fats in oil and milk, making it harmless). If you do not get that
sting on the end of your tongue it is done.
If you do, then stick back in oven for a few more minutes.
After it is done you can bring out and add your fragrances,
essential oils and your coloring's. Do
not do it before you stick in oven. It just doesn’t work very well in that
order.
If you like lots of swirls and fancy designs kind of soap, then the hot process is for you. It is fun and you can make some very artisan
types of products. It is fun and has its
good points.
Cold Process –
This is the process we use here at Silly Goats Soap Company for our goat milk soap. You start by weighing out your oils. We use all natural vegetable based oils not
tallow (animal fat). We like both type’s oil and fats. We like to use all parts of the animals, we
use and harvest but we just choose to go with the healing and moisturizing
properties of the oils. At some point in time I will probably add tallow soaps
to our product line. At this time our
soap base is olive oil, coconut and palm oils in our goat’s milk soaps.
I add the measured lye to already weighed out and bagged, fresh,
frozen goats milk. Because the lye heats
up when it comes in contact with milk or water I freeze our milk and add the
lye in slowly. I also put the stainless steel
bowl in an ice bath in the sink so our milk does not burn or turn colors from
the intense heat of the lye addition.
I then add the lye mixture to the oils and mix with a stick
blender. Once the mixture starts to
trace (you can see the spoon or mixer leaving a trail in the mixture or looks
like thickening pudding). I then add the essential oils, botanicals or any
other natural ingredients like honey, oats, or dried flowers. Then I separate some out to add the
coloring, if this batch gets it.
I have handmade, adjustable, wooden molds. I line my molds with plastic trash liners
that I have cut down to fit into our molds.
It works better for me then lining with wax paper or some other kind of
liner. I then poor soap mixture into the molds.
I cover the tops of my molds with a wooden lid. I do not wrap in towels as some soap makers
suggest. It gets very hot when it goes
through the gel process so I like to keep it cooler. I have tried covering in the past in it burns
the bottom of the soap. The milk turns
orange because it has burned from the saponification process.
Why do we prefer the Cold Process vs. Hot process?
- It is simpler. More Natural process.
- It is the old-fashioned way of making soap and being self-sufficient.
- The soap is smooth and makes a clean looking bar.
- It is not cooked on /in the stove for 1-3 hours
- It is not whipped, toyed with and manipulated to
make something other than it is, soap.


