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simplepimple

Member
July 5, 2025 at 12:13 am in reply to: Rancid odor in final product, but raw ingredients still smell fine

Forgot to mention that sodium phytate, sepimax zen, and allantoin are the only older ingredients that I have because it takes me so long to go through them. Could the sodium phytate be the issue here? Maybe it has lost its chelating properties? I’m not really sure if that would cause a rancid odor though, and the color/appearance of the final product has not been affected.
simplepimple

Member
July 5, 2025 at 11:38 am in reply to: Rancid odor in final product, but raw ingredients still smell fine

After reading the discussions around here, I was under the impression that a good preservation system includes PE 9010 (bactericide) + sodium benzoate (fungicide) + chelator + glycol/diols + pH 4.8.

Should I add caprylyl glycol? I thought propanediol and glycerin would fall into that category of glycol/diol preservative boosters.