Home Cosmetic Science Talk Formulating Advanced Questions Sodium methylparaben vs. methylparaben

  • drbobverdient-biz

    Member
    July 10, 2017 at 8:53 pm

    I am not aware of any differences in preservation:main difference is solubility in cold water of the sodium salt (Ph is about 9.5) so has to be neutralized during process at some point.

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