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  1. I

    Citric acid too much?

    Hi, I am a newcomer here so best regards to all of you soapmakers. So, recently I made a surfactant-based (decyl glucoside, lauryl glucoside, SMCT, cocamidopropyl betaine) liquid hand soap and after a few experiments, I tried one with an addition of 1% diluted citric acid (1 part water : 2...