Super simple hot process soap making technique

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Try this simple hot process soap making technique if you are a beginner hot process soap maker, have had issues with hot process soap in the past, or just want an easy method that works every time.

With this technique, you don’t need to stir the soap while it’s cooking, you don’t have to worry about the soap reaching all kinds of different stages and you’ll clearly see when it’s done, so you won’t need to perform a pH test.

The soap is cooked slowly on low heat on a double boiler, so you don’t need a crock pot for this hot process soap technique.

Benefits of hot process soap:

○ Hot process soap is more gentle to fragrance and essential oils, since the lye has already been neutralized when the scent is added. You might need less fragrance as a result and you don't need to worry about acceleration.

○ Hot processing soaps can cut down on cure time. (Personally, I still prefer to cure hot process soaps for about 4 weeks because of the high water content.)

○ Hot process soaps can have a different feel than cold process soaps.

○ Hot process soaps have a more rustic, unrefined look. This can be a pro or con depending on your personal preferences :)

○ You don't have to worry about getting soda ash with hot process soap.

○ The clean up is much easier.

Thank you for watching!

Music by Sayuri Hayashi Egnell & Rikard From

Please wear proper safety equipment when making soap.

Super simple hot process soap recipe:

Recipe calculated with: https://soapee.com/calculator

Oils:
150 g coconut oil (30%)
75 g shea butter (15%)
25 g cocoa butter (5%)
50 g avocado oil (10%)
25 g castor oil (5%)
175 g olive oil (35%)

168 g distilled water

10 g citric acid

Sodium hydroxide lye:
when adding citric acid: 76.3 g
without citric acid: 70.3 g

(29.4 % lye concentration, 5 % superfat)

2 tbsp dried spinach
10 ml fragrance oil (I used 'green tea' by gracefruit)

Cure the soap for about 4 weeks before using it on your skin.

○ Citric acid information

When citric acid and sodium hydroxide lye (NaOH) are combined, sodium citrate is created. Sodium citrate works as a chelator in soap.

A chelator traps metal ions such as calcium and magnesium that can be found in tap water.

These metal contaminants can cause rancidity and soap scum in handmade soap.

A chelator binds to these metals so that they can’t bind to the soap molecules. This way the soap won’t react with them and the soap's lather improves + shelf life increases.

Citric acid does not lower the pH of soap. Instead it consumes some of the lye and increases the superfat. Add 6 g extra lye for every 10 g of citric acid added to a soap recipe if you want to keep the superfat % at the same level.

How much citric acid should be added to soap?

Usage rate in bar soap is 1-2% of the oil weight.

How to use citric acid

Add citric acid to the distilled water and dissolve completely before adding the lye, or make a separate solution of citric acid and distilled water and add to the oils.

Soap making equipment*

○ Safety glasses - https://amzn.to/3pP99gz
○ Gloves - https://amzn.to/3gjEViA
○ Braun multiquick stick blender (black colored version) - https://amzn.to/35h3GFO
○ Infrared thermometer - https://amzn.to/3fXLx6e
○ Digital scale - https://amzn.to/3zmJSOR
○ High precision scale - https://amzn.to/39YRc8t
○ Spatulas - https://amzn.to/3zo8DdB
○ Funnel pitchers for easy pouring - https://amzn.to/3aYb9h1
○ Silicone molds:
○ Single cavity mold - https://amzn.to/3cAEIW0
○ Silicone loaf mold - https://amzn.to/35gS05S
○ Small wooden soap mold with silicone lining - https://amzn.to/3pVdn6b
○ Cafe de savon wire cutter - https://item.rakuten.co.jp/cafe-de-savon/f3090601/
○ Guide - https://item.rakuten.co.jp/cafe-de-savon/f3081202/
○ Swiss star stainless steel vegetable peeler for beveling soaps - https://amzn.to/3ak4VHW
○ Mini mixer - https://amzn.to/35dvECc

Recommended reading:

○ https://amzn.to/3iIllh5

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