Begin by measuring 23 ounces distilled water into
a container and heat to brew approximately a tablespoon of spearmint leaves.
When the tea has brewed to a light brown color, strain the spearmint leaves
and set the tea water back on the scale. Add more distilled water as needed
to bring the weight back up to 23 oz.
Cool the tea mixture in the refrigerator and start
measuring the oils into your stock pot or like container. Clip a
candy thermometer to your stock pot to monitor the temperature of the oils.
When the tea has cooled to 30-40F, slowly add 9.5
oz lye and continue stirring until the lye has completely dissolved. Clip
a thermometer to your container and continually monitor the temperature.
You will need your safety gear at this stage and you have to take care
not to breath the fumes. This is definitely a soap of "firsts". Normally,
we order our lye from an online supplier, but this time, we purchased an
18 oz can of Red Devil Lye from the grocery store. It is 100% sodium hydroxide.
Red Devil brand seems to be stronger with a higher reaction than the other
lye and we are very happy with it.
We mixed the oils and lye at the point when each
reached a temperature of between 125F and 130F. It took about two minutes
with the hand blender to reach trace, so we had to work quickly to add
the Peppermint EO and crushed Spearmint and Sweet Basil leaves. Within
six hours, the soap was easily removed from the mold and cut into bars
- see above.
Note: Even if you are not substituting any of the
base oils in our formulations with another oil, be sure to run the entire
formula through a lye calculator to ensure that you are using the accurate
amount of lye. Do this as a rule, regardless of circumstances. If you make
it a habit, you won't go wrong.
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