Home Cosmetic Science Talk Formulating Preservation of acid products

  • Preservation of acid products

    Posted by Ifa on October 16, 2019 at 12:15 am

    Hi,

    I was wondering if formulations with a pH of 3 require preservation or are they self-preserving?

    I’ll be working on a 2% salicylic acid serum with a pH of 3 so wondering if that would require a preservative. And if so, which one? Would geogard ECT work for it? In what %? 

    Please help; I’m new here. Thank you. 

    Ifa replied 4 years, 5 months ago 1 Member · 0 Replies
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