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In this soap making video I show you how to make a soothing soap for sensitive skin. Thank you for watching❣
Soothing soap recipe for sensitive skin:
Recipe calculated with soapee.com/calculator
Oils:
288 g olive oil (48%)
42 g castor oil (7%)
150 g shea butter (25%)
120 g coconut oil (20%)
Lye solution:
120 g distilled water (frozen)
85.5 g sodium hydroxide (79.5 g if not using citric acid)
(40 % lye concentration, 7% superfat)
Additives:
30 g rice puree
10 g citric acid + 1 tbsp distilled water
1/4 tsp indigo powder
1/2 tsp titanium dioxide
10 ml fragrance oil
○ 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.
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Recommended reading:
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17 дек 2021
