The dishwashing liquid that I formulated became cloudy and produced a foul odor when it was diluted with water. I am from the Philippines, and the norm here is that dishwashing liquid is commonly diluted with water to be used for a longer time. What could be the reason for this foul odor? The formulation has SLES, Glycerine, Sodium Benzoate, NANSA, CDEA, Colorant, Sodium Chloride, Sodium Hydroxide, Benzalkonium Chloride, and Fragrance. But for the record, even if it is not diluted, upon observation after 2 years, the dishwashing liquid became cloudy and the pH also declined.
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