How to make liquid soap: A detailed step-by-step guide ...
1 tablespoon washing soda (use a little more for thicker soap) 1/4 cup liquid castile soap; 10-30 drops of essential oil (optional) Process. Add grated castile soap to boiling water and stir until dissolved. Add washing soda and stir. Add liquid castile soap and stir. Let mixture cool, then add essential oils. Transfer to a repurposed soap ...
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