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  1. ChemicalPyros

    Citrus essential oils going "off" in CP soap

    In my experience, Limonene and Citrale (molecules present in the citrusy fragrances) can undergo the reactions like the fatty acids and may form esters and other compounds that may not smell nice. I would advise you that you use fragrances without limonene and/or citrale. or maybe consider...
  2. ChemicalPyros

    Longevity

    The longevity (and hardness) of the soap is correlated with the quantity of the least soluble fatty acids. Those fatty acids are mainly Palmitic acid and Stearic acid. I usually go for a ratio of 2:1 palmitic:stearic acid in the fatty acid profile of the soap. the more you increase those fatty...
  3. ChemicalPyros

    Castile Soap

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